<s>
In	O
software	O
development	O
,	O
version	B-Architecture
control	I-Architecture
is	O
a	O
class	O
of	O
systems	O
responsible	O
for	O
managing	O
changes	O
to	O
computer	B-Application
programs	I-Application
or	O
other	O
collections	O
of	O
information	O
such	O
that	O
revisions	O
have	O
a	O
logical	O
and	O
consistent	O
organization	O
.	O
</s>
<s>
The	O
following	O
tables	O
include	O
general	O
and	O
technical	O
information	O
on	O
notable	O
version	B-Architecture
control	I-Architecture
and	O
software	O
configuration	O
management	O
(	O
SCM	O
)	O
software	O
.	O
</s>
<s>
Repository	B-General_Concept
model	O
describes	O
the	O
relationship	O
between	O
various	O
copies	O
of	O
the	O
source	B-General_Concept
code	I-General_Concept
repository	I-General_Concept
.	O
</s>
<s>
In	O
a	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
model	I-Operating_System
,	O
users	O
access	O
a	O
master	O
repository	B-General_Concept
via	O
a	O
client	B-Protocol
;	O
typically	O
,	O
their	O
local	O
machines	O
hold	O
only	O
a	O
working	O
copy	O
of	O
a	O
project	O
tree	O
.	O
</s>
<s>
Changes	O
in	O
one	O
working	O
copy	O
must	O
be	O
committed	O
to	O
the	O
master	O
repository	B-General_Concept
before	O
they	O
are	O
propagated	O
to	O
other	O
users	O
.	O
</s>
<s>
In	O
a	O
distributed	B-Protocol
model	O
,	O
repositories	B-General_Concept
act	O
as	O
peers	O
,	O
and	O
users	O
typically	O
have	O
a	O
local	O
repository	B-General_Concept
with	O
version	O
history	O
available	O
,	O
in	O
addition	O
to	O
their	O
working	O
copies	O
.	O
</s>
<s>
Concurrency	O
model	O
describes	O
how	O
changes	O
to	O
the	O
working	O
copy	O
are	O
managed	O
to	O
prevent	O
simultaneous	O
edits	O
from	O
causing	O
nonsensical	O
data	O
in	O
the	O
repository	B-General_Concept
.	O
</s>
<s>
In	O
a	O
lock	O
model	O
,	O
changes	O
are	O
disallowed	O
until	O
the	O
user	O
requests	O
and	O
receives	O
an	O
exclusive	B-Operating_System
lock	I-Operating_System
on	O
the	O
file	O
from	O
the	O
master	O
repository	B-General_Concept
.	O
</s>
<s>
In	O
a	O
merge	B-General_Concept
model	O
,	O
users	O
may	O
freely	O
edit	O
files	O
,	O
but	O
are	O
informed	O
of	O
possible	O
conflicts	B-Operating_System
upon	O
checking	O
their	O
changes	O
into	O
the	O
repository	B-General_Concept
,	O
whereupon	O
the	O
version	B-Architecture
control	I-Architecture
system	I-Architecture
may	O
merge	B-General_Concept
changes	I-General_Concept
on	O
both	O
sides	O
,	O
or	O
let	O
the	O
user	O
decide	O
when	O
conflicts	B-Operating_System
arise	O
.	O
</s>
<s>
Distributed	B-Protocol
version	I-Protocol
control	I-Protocol
systems	I-Protocol
usually	O
use	O
a	O
merge	B-General_Concept
concurrency	O
model	O
.	O
</s>
<s>
Software	O
Maintainer	O
Development	O
status	O
Repository	B-General_Concept
model	O
Concurrency	O
model	O
License	B-License
Supported	O
platforms	O
Financial	O
cost	O
AccuRev	O
SCM	O
Micro	O
Focus	O
International	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
Merge	B-General_Concept
or	O
lock	O
Most	O
Java	B-Language
Platforms	O
(	O
Unix-like	B-Operating_System
,	O
Windows	B-Application
,	O
macOS	B-Application
)	O
Azure	B-Application
DevOps	I-Application
Microsoft	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
,	O
Distributed	B-Protocol
Merge	B-General_Concept
or	O
lock	O
Windows	B-Application
,	O
cross-platform	O
via	O
Azure	B-Application
DevOps	I-Application
Services	O
GNU	B-Protocol
Bazaar	I-Protocol
Canonical	O
Ltd	O
.	O
last	O
release	O
from	O
2016	O
,	O
forked	O
as	O
Breezy	B-Protocol
Distributed	B-Protocol
and	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
Merge	B-General_Concept
Unix-like	B-Operating_System
,	O
Windows	B-Application
,	O
macOS	B-Application
BitKeeper	B-Protocol
BitMover	B-Protocol
Inc	O
.	O
unmaintained	O
;	O
last	O
updated	O
December	O
29	O
,	O
2018	O
Distributed	B-Protocol
Merge	B-General_Concept
Unix-like	B-Operating_System
,	O
Windows	B-Application
,	O
macOS	B-Application
ClearCase	B-Protocol
IBM	O
Rational	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
Merge	B-General_Concept
or	O
lockIn	O
ClearCase	B-Protocol
,	O
a	O
trigger	O
may	O
be	O
set	O
to	O
allow	O
for	O
the	O
lock	O
model	O
,	O
and	O
this	O
is	O
done	O
at	O
many	O
sites	O
.	O
</s>
<s>
However	O
,	O
ClearCase	B-Protocol
development	O
usually	O
takes	O
place	O
on	O
private	O
branches	O
where	O
each	O
developer	O
is	O
given	O
their	O
own	O
branch	O
,	O
so	O
the	O
lock	O
vs.	O
merge	B-General_Concept
concurrency	O
model	O
does	O
n't	O
matter	O
as	O
much	O
.	O
</s>
<s>
Source	B-Device
Code	I-Device
Control	I-Device
System	I-Device
(	O
SCCS	O
)	O
Jörg	O
SchillingVarious	O
forks	O
of	O
the	O
original	O
Unix	B-Application
sources	O
exist	O
,	O
only	O
one	O
of	O
which	O
is	O
actively	O
maintained	O
local	O
lockWhile	O
it	O
is	O
possible	O
for	O
multiple	O
users	O
to	O
edit	O
the	O
same	O
version	O
of	O
a	O
file	O
concurrently	O
,	O
only	O
one	O
of	O
them	O
can	O
write	O
back	O
the	O
changes	O
.	O
</s>
<s>
Unix-like	B-Operating_System
,	O
macOS	B-Application
StarTeam	B-Application
Borland	O
(	O
Micro	O
Focus	O
)	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
Merge	B-General_Concept
or	O
lock	O
Windows	B-Application
and	O
Cross-platform	O
via	O
Java	B-Language
based	O
client	B-Protocol
Subversion	B-Application
(	O
SVN	B-Application
)	O
Apache	O
Software	O
Foundation	O
Client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
Merge	B-General_Concept
or	O
lockIn	O
Subversion	B-Application
,	O
a	O
file	O
attribute	O
enables	O
the	O
lock	O
model	O
on	O
per-file	O
basis	O
.	O
</s>
<s>
Storage	O
Method	O
:	O
Describes	O
the	O
form	O
in	O
which	O
files	O
are	O
stored	O
in	O
the	O
repository	B-General_Concept
.	O
</s>
<s>
A	O
changeset	B-Protocol
,	O
in	O
this	O
context	O
,	O
indicates	O
that	O
a	O
committed	O
file(s )	O
is	O
stored	O
in	O
the	O
form	O
of	O
a	O
difference	O
between	O
either	O
the	O
previous	O
version	O
or	O
the	O
next	O
.	O
</s>
<s>
Revision	O
IDs	O
:	O
are	O
used	O
internally	O
to	O
identify	O
specific	O
versions	O
of	O
files	O
in	O
the	O
repository	B-General_Concept
.	O
</s>
<s>
Systems	O
may	O
use	O
pseudorandom	B-Error_Name
identifiers	O
,	O
content	O
hashes	O
of	O
revisions	O
,	O
or	O
filenames	O
with	O
sequential	O
version	O
numbers	O
(	O
namespace	O
)	O
.	O
</s>
<s>
With	O
Integrated	O
Difference	O
,	O
revisions	O
are	O
based	O
on	O
the	O
Changesets	B-Protocol
themselves	O
,	O
which	O
can	O
describe	O
changes	O
to	O
more	O
than	O
one	O
file	O
.	O
</s>
<s>
Network	O
protocols	O
:	O
lists	O
the	O
protocols	O
used	O
for	O
synchronization	B-General_Concept
of	I-General_Concept
changes	I-General_Concept
.	O
</s>
<s>
Software	O
Programming	O
language	O
Storage	O
method	O
Scope	O
of	O
change	O
Revision	O
IDs	O
Network	O
protocols	O
Source	O
code	O
size	O
AccuRev	O
SCM	O
C++	B-Language
,	O
Java	B-Language
Changeset	B-Protocol
File	O
Number	O
pair	O
NN/NN	O
custom	O
Azure	B-Application
DevOps	I-Application
C++	B-Language
and	O
C#	B-Application
Changeset	B-Protocol
File	O
and	O
Tree	O
Numbers	O
SOAP	O
over	O
HTTP	B-Protocol
or	O
HTTPS	B-Protocol
,	O
Ssh	B-Protocol
GNU	B-Protocol
Bazaar	I-Protocol
Python	B-Language
2	I-Language
,	O
Pyrex	B-Application
(	O
optional	O
)	O
,	O
CBazaar	O
's	O
critical	O
modules	O
are	O
written	O
in	O
Pyrex	B-Application
.	O
</s>
<s>
They	O
are	O
automatically	O
translated	O
to	O
pure	O
C	B-Language
;	O
except	O
for	O
the	O
patience	O
sorting	O
module	O
,	O
used	O
in	O
merge	B-General_Concept
resolution	O
,	O
which	O
is	O
written	O
directly	O
in	O
the	O
C	B-Language
language	I-Language
.	O
</s>
<s>
Snapshot	O
Tree	O
Pseudorandom	B-Error_Name
custom	O
,	O
custom	O
over	O
ssh	B-Protocol
,	O
custom	O
over	O
HTTP	B-Protocol
,	O
HTTP	B-Protocol
,	O
SFTP	B-Protocol
,	O
FTP	B-Protocol
,	O
email	O
bundles	O
,	O
A	O
Bazaar	B-Protocol
bundle	O
is	O
a	O
summary	O
diff	O
,	O
with	O
sufficient	O
extra	O
information	O
to	O
preserve	O
history	O
.	O
</s>
<s>
WebDAV	B-Protocol
(	O
with	O
plugin	O
)	O
4.1	O
MB	O
BitKeeper	B-Protocol
C	B-Language
Changeset	B-Protocol
Tree	O
Changeset	B-Protocol
keys	O
,	O
numbers	O
custom	O
,	O
HTTP	B-Protocol
,	O
rsh	B-Protocol
,	O
ssh	B-Protocol
,	O
email	O
99	O
MB	O
CA	O
Software	O
Change	O
Manager	O
C	B-Language
,	O
C++	B-Language
,	O
Java	B-Language
,	O
HTML	O
Changeset	B-Protocol
and	O
Snapshot	O
File	O
and	O
Tree	O
Numbers	O
HTTP	B-Protocol
,	O
TCP/IP	O
ClearCase	B-Protocol
C	B-Language
,	O
Java	B-Language
,	O
Perl	B-Language
Changeset	B-Protocol
File	O
and	O
Tree	O
Numbers	O
custom	O
(	O
CCFS	O
)	O
,	O
custom	O
(	O
MVFS	B-Protocol
filesystem	B-Application
driver	O
)	O
,	O
HTTP	B-Protocol
Code	B-Protocol
Co-op	I-Protocol
C++	B-Language
Changeset	B-Protocol
User	O
ID-Ordinal	O
e-mail	O
(	O
MAPI	B-Protocol
,	O
SMTP/POP3	O
,	O
Gmail	B-Application
)	O
,	O
LAN	B-General_Concept
CVS	B-Application
C	B-Language
Changeset	B-Protocol
File	O
Numbers	O
pserver	O
,	O
ssh	B-Protocol
10.3	O
MB	O
CVSNT	B-Protocol
C++	B-Language
Changeset	B-Protocol
File	O
and	O
Tree	O
Numbers	O
custom	O
over	O
ssh	B-Protocol
,	O
sspi	O
,	O
sserver	O
,	O
gserver	O
,	O
pserver	O
55	O
MB	O
darcs	B-Protocol
Haskell	B-Language
Changeset	B-Protocol
(	O
Patch	O
)	O
Snapshots	O
with	O
binary	O
files	O
.	O
</s>
<s>
It	O
's	O
discussed	O
to	O
have	O
binary	O
changesets	B-Protocol
in	O
future	O
(	O
darcs	B-Protocol
3	O
)	O
Tree	O
n/a	O
custom	O
over	O
ssh	B-Protocol
,	O
HTTP	B-Protocol
,	O
email	O
1.7	O
MB	O
Dimensions	B-Application
CM	I-Application
C	B-Language
,	O
C++	B-Language
,	O
Java	B-Language
,	O
C#	B-Application
Snapshot	O
or	O
changeset	B-Protocol
File	O
and	O
Tree	O
Numbers	O
Custom	O
,	O
HTTP/HTTPS	O
Fossil	B-Protocol
C	B-Language
Snapshot	O
or	O
changeset	B-Protocol
Tree	O
SHA-1	B-Algorithm
or	O
SHA-3	B-Algorithm
hashes	O
HTTP/HTTPS	O
,	O
custom	O
over	O
ssh	B-Protocol
7.2	O
MB4	O
MB	O
of	O
which	O
are	O
sqlite3.c	O
Git	B-Application
C	B-Language
,	O
shell	B-Language
scripts	I-Language
,	O
Perl	B-Language
Snapshot	O
Tree	O
SHA-1	B-Algorithm
hashes	I-Algorithm
custom	O
(	O
git	B-Application
)	O
,	O
custom	O
over	O
ssh	B-Protocol
,	O
HTTP/HTTPS	O
,	O
rsync	B-Application
,	O
email	O
,	O
bundles	O
23	O
MB	O
GNU	B-Protocol
arch	I-Protocol
C	B-Language
,	O
shell	B-Language
scripts	I-Language
Changeset	B-Protocol
Tree	O
Numbers	O
HTTP	B-Protocol
,	O
WebDAV	B-Protocol
IC	B-Application
Manage	I-Application
C++	B-Language
,	O
C	B-Language
Changeset	B-Protocol
Numbers	O
custom	O
Mercurial	B-Protocol
Python	B-Language
,	O
C	B-Language
Changeset	B-Protocol
Tree	O
Numbers	O
,	O
Mercurial	B-Protocol
revision	B-Architecture
numbers	I-Architecture
are	O
local	O
to	O
a	O
repository	B-General_Concept
;	O
they	O
can	O
differ	O
from	O
repository	B-General_Concept
to	O
repository	B-General_Concept
depending	O
on	O
in	O
which	O
order	O
merges	B-General_Concept
are	O
performed	O
.	O
</s>
<s>
SHA-1	B-Algorithm
hashes	I-Algorithm
custom	O
over	O
ssh	B-Protocol
,	O
HTTP	B-Protocol
,	O
email	O
bundles	O
(	O
with	O
standard	O
plugin	O
)	O
20	O
MB	O
MKS	B-Protocol
Integrity	I-Protocol
C	B-Language
,	O
Java	B-Language
Changeset	B-Protocol
File	O
Numbers	O
custom	O
,	O
HTTP	B-Protocol
Monotone	B-Application
C++	B-Language
HybridA	O
Monotone	B-Application
's	O
revisions	O
represent	O
changesets	B-Protocol
and	O
its	O
manifests	O
represent	O
snapshots	O
,	O
each	O
revision	O
is	O
linked	O
to	O
some	O
manifest	O
.	O
</s>
<s>
The	O
real	O
work	O
now	O
happen	O
in	O
rosters	O
which	O
are	O
hybrid	O
snapshot/changeset	O
structures	O
.	O
</s>
<s>
Atomic	B-Operating_System
commits	I-Operating_System
:	O
refers	O
to	O
a	O
guarantee	O
that	O
all	O
changes	O
are	O
made	O
,	O
or	O
that	O
no	O
change	O
at	O
all	O
will	O
be	O
made	O
.	O
</s>
<s>
Merge	B-General_Concept
file	O
renames	O
:	O
describes	O
whether	O
a	O
system	O
can	O
merge	B-General_Concept
changes	I-General_Concept
made	O
to	O
a	O
file	O
on	O
one	O
branch	O
into	O
the	O
same	O
file	O
that	O
has	O
been	O
renamed	O
on	O
another	O
branch	O
(	O
or	O
vice	O
versa	O
)	O
.	O
</s>
<s>
Symbolic	B-Application
links	I-Application
:	O
describes	O
whether	O
a	O
system	O
allows	O
revision	B-Architecture
control	I-Architecture
of	O
symbolic	B-Application
links	I-Application
as	O
with	O
regular	O
files	O
.	O
</s>
<s>
Versioning	O
symbolic	B-Application
links	I-Application
is	O
considered	O
by	O
some	O
people	O
a	O
feature	O
and	O
some	O
people	O
a	O
security	O
breach	O
(	O
e.g.	O
,	O
a	O
symbolic	B-Application
link	I-Application
to	O
/etc/passwd	O
)	O
.	O
</s>
<s>
Symbolic	B-Application
links	I-Application
are	O
only	O
supported	O
on	O
select	O
platforms	O
,	O
depending	O
on	O
the	O
software	O
.	O
</s>
<s>
Merge	B-General_Concept
tracking	O
:	O
describes	O
whether	O
a	O
system	O
remembers	O
what	O
changes	O
have	O
been	O
merged	O
between	O
which	O
branches	O
and	O
only	O
merges	B-General_Concept
the	O
changes	O
that	O
are	O
missing	O
when	O
merging	O
one	O
branch	O
into	O
another	O
.	O
</s>
<s>
Subversion	B-Application
,	O
for	O
example	O
,	O
can	O
be	O
configured	O
to	O
handle	O
EOLs	O
differently	O
according	O
to	O
the	O
file	O
type	O
,	O
whereas	O
Perforce	B-General_Concept
converts	O
all	O
text	O
files	O
according	O
to	O
a	O
single	O
,	O
per-client	O
setting	O
.	O
</s>
<s>
Tags	B-Protocol
:	O
indicates	O
if	O
meaningful	O
names	O
can	O
be	O
given	O
to	O
specific	O
revisions	O
,	O
regardless	O
of	O
whether	O
these	O
names	O
are	O
called	O
tags	B-Protocol
or	O
labels	O
.	O
</s>
<s>
Unicode	O
filename	O
support	O
:	O
indicates	O
if	O
the	O
software	O
has	O
support	O
for	O
interoperations	O
under	O
file	B-Application
systems	I-Application
using	O
different	O
character	B-General_Concept
encodings	I-General_Concept
.	O
</s>
<s>
Supports	O
large	O
repos	O
:	O
Can	O
the	O
system	O
handle	O
repositories	B-General_Concept
of	O
around	O
a	O
gigabyte	O
or	O
larger	O
effectively	O
?	O
</s>
<s>
Software	O
Atomic	B-Operating_System
commits	I-Operating_System
File	O
renames	O
Merge	B-General_Concept
file	O
renames	O
Symbolic	B-Application
links	I-Application
Pre-/post	O
-event	O
hooks	O
Signed	O
revisions	O
Merge	B-General_Concept
tracking	O
End	O
of	O
line	O
conversions	O
Tags	B-Protocol
International	O
support	O
Unicode	O
filename	O
support	O
Supports	O
large	O
repos	O
AccuRev	O
SCM	O
Evil	O
twins	O
are	O
common.Evil	O
Twins	O
in	O
SCM	O
,	O
Not	O
Hollywood	O
Azure	B-Application
DevOps	I-Application
GNU	B-Protocol
Bazaar	I-Protocol
BitKeeper	B-Protocol
CA	O
Software	O
Change	O
Manager	O
ClearCase	B-Protocol
Atomic	B-Operating_System
commit	I-Operating_System
can	O
be	O
enabled	O
for	O
individual	O
checkin	O
's	O
ClearCase	B-Protocol
7.1.1	O
release	O
notes	O
.	O
</s>
<s>
Support	O
Policy	O
for	O
National	O
Languages	O
and	O
ClearCase	B-Protocol
from	O
IBM	O
Support	O
Code	B-Protocol
Co-op	I-Protocol
CVS	B-Application
CVSNT	B-Protocol
darcs	B-Protocol
See	O
FAQ	O
darcs	B-Protocol
 '	O
patches	O
each	O
bear	O
a	O
unique	O
identifier	O
,	O
impossible	O
to	O
merge	B-General_Concept
twice	O
the	O
same	O
patch	O
in	O
a	O
repository	B-General_Concept
(	O
without	O
destructively	O
modifying	O
history	O
using	O
"	O
unsafe	O
"	O
commands	O
)	O
.	O
</s>
<s>
See	O
FAQ	O
Dimensions	B-Application
CM	I-Application
Using	O
Item	O
Revision	O
Attributes	O
(	O
"	O
Working	O
with	O
Items	O
"	O
demo	O
,	O
covering	O
user	O
define	O
attributes	O
)	O
.	O
</s>
<s>
In	O
the	O
sense	O
that	O
its	O
messages	O
and	O
graphic	B-Application
interfaces	I-Application
have	O
English	O
only	O
localization	O
,	O
though	O
the	O
software	O
is	O
certified	O
running	O
fine	O
on	O
various	O
language	O
operating	O
systems	O
.	O
</s>
<s>
Fossil	B-Protocol
Controlled	O
by	O
the	O
'	O
crnl-glob	O
'	O
setting	O
(	O
)	O
Git	B-Application
Git	B-Application
does	O
not	O
explicitly	O
track	O
renames	O
,	O
because	O
by	O
design	O
it	O
does	O
not	O
track	O
individual	O
files	O
.	O
</s>
<s>
Since	O
git-1.7.9	O
(	O
see	O
release	O
notes	O
)	O
.	O
</s>
<s>
Older	O
versions	O
do	O
not	O
sign	O
commits	O
,	O
only	O
tags	B-Protocol
(	O
see	O
the	O
-s	O
option	O
in	O
git-tag(1 )	O
Manual	O
page	O
)	O
UTF-8	O
filenames	O
are	O
supported	O
as	O
of	O
version	O
1.7.10	O
(	O
MSysGit	O
release	O
notes	O
)	O
.	O
</s>
<s>
Git	B-Application
has	O
some	O
issues	O
with	O
very	O
large	O
repositories	B-General_Concept
.	O
</s>
<s>
GNU	B-Protocol
arch	I-Protocol
IC	B-Application
Manage	I-Application
MKS	B-Protocol
Integrity	I-Protocol
Integrity	O
enabled	O
change	O
packages	O
provide	O
complete	O
workflow	O
and	O
21	O
CFR	O
Part	O
11	O
compliant	O
digital	O
signatures	O
against	O
the	O
item	O
controlling	O
the	O
change	O
package	O
.	O
</s>
<s>
2009	O
SP5	O
added	O
a	O
feature	O
to	O
merge	B-General_Concept
child	O
development	O
paths	O
.	O
</s>
<s>
Mercurial	B-Protocol
Mercurial	B-Protocol
includes	O
internationalization	O
for	O
more	O
than	O
10	O
languages	O
as	O
of	O
2017	O
.	O
</s>
<s>
Support	O
depends	O
upon	O
host	O
OS	O
and	O
is	O
well	O
supported	O
under	O
Unix	B-Application
,	O
but	O
not	O
Windows	B-Application
OSs	O
,	O
due	O
to	O
lack	O
of	O
host	O
support	O
.	O
</s>
<s>
See	O
With	O
the	O
Largefiles	O
Extension	O
in	O
core	O
since	O
Hg	B-Protocol
Rev	O
.	O
</s>
<s>
:2.0	O
(	O
2011	O
)	O
,	O
the	O
remotefilelog	O
extension	O
(	O
2014	O
)	O
,	O
the	O
fsmonitor	O
extension	O
in	O
core	O
since	O
Hg	B-Protocol
Rev	O
.	O
</s>
<s>
:3	O
.8	O
(	O
2016	O
)	O
and	O
the	O
experimental	O
sparse	O
extension	O
in	O
core	O
since	O
Hg	B-Protocol
Rev	O
.	O
</s>
<s>
Monotone	B-Application
It	O
could	O
be	O
done	O
via	O
user	O
level	O
hooks	O
,	O
mandatory	O
Perforce	B-General_Concept
Helix	O
Core	O
from	O
the	O
Perforce	B-General_Concept
User	O
's	O
Guide	O
from	O
the	O
Perforce	B-General_Concept
User	O
's	O
Guide	O
Perforce	B-General_Concept
will	O
version-control	B-Architecture
symbolic	B-Application
links	I-Application
themselves	O
,	O
but	O
will	O
not	O
recognise	O
its	O
own	O
version-controlled	O
views	O
(	O
local	O
file	O
trees	O
)	O
,	O
if	O
you	O
access	O
them	O
via	O
symbolic	B-Application
links	I-Application
.	O
</s>
<s>
http://jazz.net/library/article/292	O
Source	B-Device
Code	I-Device
Control	I-Device
System	I-Device
While	O
the	O
source	O
code	O
of	O
SCCS	O
has	O
been	O
written	O
to	O
support	O
internationalisation	O
,	O
only	O
English	O
message	O
texts	O
exist	O
.	O
</s>
<s>
StarTeam	B-Application
StarTeam	B-Application
supports	O
atomic	B-Operating_System
commits	I-Operating_System
as	O
of	O
version	O
2006	O
Subversion	B-Application
Subversion	B-Application
can	O
move	O
a	O
file	O
and	O
conserve	O
its	O
history	O
,	O
if	O
and	O
only	O
if	O
the	O
target	O
of	O
the	O
move	O
is	O
in	O
the	O
same	O
Subversion	B-Application
repository	B-General_Concept
as	O
the	O
source	O
.	O
</s>
<s>
Cross-repository	O
moves	O
require	O
third-party	O
tools	O
.	O
</s>
<s>
Since	O
SVN	B-Application
1.8	O
subversion	B-Application
supports	O
improved	O
move-tracking	O
on	O
the	O
client	B-Protocol
side	O
.	O
</s>
<s>
.New	O
to	O
SVN	B-Application
1.5	O
<http://subversion.apache.org/docs/release-notes/1.5.html#merge-tracking>	O
.	O
</s>
<s>
A	O
separate	O
tool	O
"	O
svnmerge	O
"	O
<>	O
provides	O
merge	B-General_Concept
tracking	O
for	O
older	O
versions	O
.	O
</s>
<s>
In	O
Subversion	B-Application
,	O
tags	B-Protocol
are	O
a	O
special	O
case	O
of	O
the	O
more	O
generic	O
"	O
cheap	O
copy	O
"	O
concept	O
of	O
Subversion	B-Application
.	O
</s>
<s>
Per	O
convention	O
,	O
a	O
tag	O
is	O
a	O
copy	O
into	O
a	O
directory	O
named	O
"	O
tags	B-Protocol
"	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
even	O
tags	B-Protocol
are	O
versioned	O
.	O
</s>
<s>
See	O
http://svnbook.red-bean.com/nightly/en/svn.branchmerge.tags.html	O
for	O
more	O
information	O
.	O
</s>
<s>
The	O
reason	O
for	O
partial	O
support	O
in	O
the	O
table	O
is	O
because	O
Subversion	B-Application
's	O
emulation	O
of	O
tags	B-Protocol
in	O
this	O
manner	O
does	O
not	O
meet	O
the	O
requirement	O
that	O
the	O
tag	O
name	O
can	O
be	O
used	O
in	O
place	O
of	O
any	O
revision	O
identifier	O
wherever	O
the	O
user	O
may	O
be	O
required	O
to	O
enter	O
one	O
.	O
</s>
<s>
This	O
column	O
would	O
be	O
meaningless	O
if	O
the	O
definition	O
were	O
to	O
be	O
loosened	O
enough	O
to	O
encompass	O
Subversion	B-Application
's	O
approach	O
as	O
every	O
version	B-Architecture
control	I-Architecture
system	I-Architecture
supports	O
branching	O
and	O
would	O
therefore	O
support	O
tags	B-Protocol
as	O
well	O
.	O
</s>
<s>
Surround	B-Application
SCM	I-Application
–	O
Seapine	O
Software	O
Releases	O
Surround	B-Application
SCM	I-Application
2009	O
Synergy	B-Protocol
in	O
Asian	O
releases	O
(	O
v6.6a	O
to	O
v7.1a	O
)	O
and	O
since	O
version	O
7.2	O
in	O
general	O
Vault	B-Language
Vesta	B-Protocol
Visual	B-Protocol
SourceSafe	I-Protocol
Version	O
change	O
history	O
is	O
removed	O
upon	O
rename	O
;	O
old	O
name	O
not	O
referenced	O
.	O
</s>
<s>
keyword	O
expansion	O
:	O
supports	O
automatic	O
expansion	O
of	O
keywords	O
such	O
as	O
file	O
revision	B-Architecture
number	I-Architecture
.	O
</s>
<s>
partial	O
checkout/clone	O
:	O
ability	O
to	O
check	O
out	O
or	O
clone	O
only	O
a	O
specified	O
subdirectory	O
from	O
a	O
repository	B-General_Concept
.	O
</s>
<s>
timestamp	O
preservation	O
:	O
overwrites	O
the	O
last	O
modified	O
filesystem	B-Application
attribute	O
with	O
the	O
commit	O
time	O
upon	O
checkout	O
.	O
</s>
<s>
Software	O
Keyword	O
expansion	O
Interactive	O
commits	O
External	O
references	O
Partial	O
checkout/clone	O
Permissions	O
Timestamp	O
preservation	O
Custom	O
automatic	O
merge	B-General_Concept
tool	O
Supported	O
formats	O
Shared	O
build	O
cache	O
of	O
derived	O
objects	O
AccuRev	O
SCM	O
git	B-Application
(	O
bi-dir	O
)	O
Azure	B-Application
DevOps	I-Application
GNU	B-Protocol
Bazaar	I-Protocol
not	O
implemented	O
yet	O
bzr	B-Protocol
,	O
subversion	B-Application
,	O
git	B-Application
,	O
hg	B-Protocol
,	O
any	O
that	O
has	O
a	O
fastexporter	O
BitKeeper	B-Protocol
bitkeeper	B-Protocol
CA	O
Software	O
Change	O
Manager	O
CA	O
Software	O
Change	O
Manager	O
ClearCase	B-Protocol
IBM	B-Protocol
Rational	I-Protocol
ClearCase	I-Protocol
:	O
The	O
ten	O
best	O
triggers	O
from	O
IBM	O
DeveloperWorks	O
Can	O
not	O
be	O
disabled	O
in	O
dynamic	O
views	O
.	O
</s>
<s>
ClearCase	B-Protocol
CVS	B-Application
Using	O
alias	O
of	O
the	O
CVSROOT/modules	O
file	O
.	O
</s>
<s>
CVS	B-Application
records	O
executable	O
bit	O
when	O
a	O
file	O
is	O
added	O
,	O
but	O
does	O
not	O
allow	O
changing	O
it	O
later	O
on	O
.	O
</s>
<s>
cvs	B-Application
CVSNT	B-Protocol
This	O
is	O
a	O
GUI	B-Application
feature	O
supported	O
by	O
TortoiseCVS	B-Protocol
and	O
WinCVS	B-Protocol
both	O
of	O
which	O
include/use	O
CVSNT	B-Protocol
.	O
</s>
<s>
Same	O
as	O
CVS	B-Application
,	O
plus	O
also	O
the	O
ability	O
to	O
have	O
replicated	O
repositories	B-General_Concept
including	O
'	O
shadow	O
 '	O
repositories	B-General_Concept
.	O
</s>
<s>
cvs	B-Application
CVSNT	B-Protocol
supports	O
this	O
when	O
the	O
make/build	O
tool	O
used	O
also	O
supports	O
it	O
.	O
</s>
<s>
darcs	B-Protocol
Darcs	B-Protocol
can	O
do	O
sparse	O
checkouts	O
from	O
explicit	O
checkpoints	O
on	O
darcs-1	O
repositories	B-General_Concept
,	O
but	O
not	O
from	O
darcs-2	O
ones	O
Darcs	B-Protocol
can	O
automatically	O
detect	O
#	O
!	O
</s>
<s>
darcs	B-Protocol
Dimensions	B-Application
CM	I-Application
Using	O
Sub	O
Project	O
functionality	O
(	O
Documentation	O
Portfolio	O
|	O
User	O
's	O
Guide	O
|	O
Relating	O
a	O
Project	O
or	O
Stream	O
to	O
Other	O
Objects	O
)	O
.	O
</s>
<s>
Migration	O
from	O
ClearCase	B-Protocol
,	O
Subversion	B-Application
,	O
CVS	B-Application
,	O
PVCS	B-Protocol
,	O
ChangeMan	O
DS	O
Fossil	B-Protocol
Checkouts	O
can	O
be	O
nested	O
with	O
"	O
fossil	B-Protocol
open	O
--nested	O
"	O
The	O
manifest	O
,	O
Fossil	B-Protocol
file	O
formats	O
fossil	B-Protocol
(	O
uses	O
sqlite	B-Language
)	O
,	O
any	O
that	O
has	O
a	O
fastexporter	O
;	O
migration	O
from	O
git	B-Application
and	O
svn	B-Application
"	O
FossilHelp	O
:	O
import	O
"	O
Git	B-Application
The	O
Git	B-Application
FAQ	O
states	O
that	O
keyword	O
expansion	O
is	O
not	O
a	O
good	O
thing	O
add	O
-i	O
and	O
add	O
-p	O
,	O
see	O
git-add(1 )	O
Manual	O
Page	O
The	O
Git	B-Application
FAQ	O
explains	O
why	O
preserving	O
modification	O
time	O
is	O
considered	O
harmful	O
git	B-Application
,	O
cvs	B-Application
,	O
subversion	B-Application
,	O
hg	B-Protocol
,	O
any	O
that	O
has	O
a	O
fastexporter	O
Mercurial	B-Protocol
With	O
the	O
sparse	O
extension	O
included	O
in	O
core	O
since	O
Hg	B-Protocol
Rev.:4.3	O
.	O
</s>
<s>
hg	B-Protocol
,	O
subversion	B-Application
,	O
lossless	O
two-way	O
push	O
to	O
and	O
pull	O
from	O
git	B-Application
,	O
migration	O
from	O
any	O
other	O
format	O
supported	O
by	O
the	O
Convert	O
extension	O
:	O
CVS	B-Application
,	O
Darcs	B-Protocol
,	O
Bazaar	B-Protocol
,	O
Monotone	B-Application
,	O
GNU	B-Protocol
Arch	I-Protocol
,	O
and	O
Perforce	B-General_Concept
"	O
Mercurial	B-Protocol
:	O
the	O
definitive	O
guide	O
:	O
Appendix	O
:	O
Migrating	O
to	O
Mercurial	B-Protocol
"	O
Perforce	B-General_Concept
Helix	O
Core	O
Perforce	B-General_Concept
Rational	O
Team	O
Concert	O
N/A	O
Source	B-Device
Code	I-Device
Control	I-Device
System	I-Device
sccs	O
Surround	B-Application
SCM	I-Application
Configurable	O
on	O
server	O
as	O
a	O
Project	O
Option	O
and	O
on	O
the	O
client	B-Protocol
as	O
a	O
User	O
Option	O
.	O
</s>
<s>
Surround	O
Subversion	B-Application
Through	O
third-party	O
tools	O
such	O
as	O
Tortoise	B-Protocol
SVN	I-Protocol
.	O
</s>
<s>
SVN	B-Application
can	O
not	O
preserve	O
file	O
modification	O
times	O
.	O
</s>
<s>
On	O
request	O
by	O
the	O
client	B-Protocol
,	O
it	O
can	O
restore	O
check-in	O
time	O
as	O
last-modified	O
time	O
.	O
</s>
<s>
Software	O
Repository	B-General_Concept
init	O
clone	O
pull	O
push	O
Local	O
branches	O
checkout	O
update	O
lock	O
add	O
remove	O
move	O
copy	O
merge	B-General_Concept
commit	O
revert	O
generate	O
bundle	O
file	O
rebase	O
AccuRev	O
SCM	O
Azure	O
DevOpsusing	O
Gitclone	O
using	O
Gitgetcommitshelvesetcheckoutgetlockadddeleterenameusing	O
Gitmergecommitundousing	O
Gitget	O
GNU	B-Protocol
Bazaar	I-Protocol
BitKeeper	B-Protocol
ClearCase	B-Protocol
CVS	B-Application
CVSNT	B-Protocol
darcs	B-Protocol
Fossil	B-Protocol
Git	B-Application
Mercurial	B-Protocol
Monotone	B-Application
Perforce	B-General_Concept
Helix	O
Core	O
Source	B-Device
Code	I-Device
Control	I-Device
System	I-Device
SCCS	O
has	O
implicit	O
locks	O
,	O
applied	O
when	O
checking	O
out	O
via	O
edit	O
,	O
removed	O
when	O
creating	O
a	O
delta	O
.	O
</s>
<s>
GUIs	B-Application
:	O
A	O
GUI	B-Application
is	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
.	O
</s>
<s>
If	O
a	O
software	O
product	O
features	O
a	O
GUI	B-Application
its	O
functionality	O
can	O
be	O
accessed	O
through	O
application	O
windows	B-Application
as	O
opposed	O
to	O
accessing	O
functionality	O
based	O
upon	O
typing	O
commands	O
at	O
the	O
command	O
prompt	O
such	O
as	O
a	O
DOS	O
interface	O
.	O
</s>
<s>
Plug-ins	O
:	O
functionality	O
is	O
available	O
through	O
an	O
Integrated	B-Application
Development	I-Application
Environment	I-Application
.	O
</s>
<s>
Software	O
Web	O
interfaces	O
Stand-alone	O
GUIs	B-Application
Integration	O
and/or	O
Plug-ins	O
for	O
IDEs	O
AccuRev	O
SCM	O
Yes	O
Windows	B-Application
(	O
incl	O
.	O
</s>
<s>
Explorer	O
integration	O
)	O
,	O
Linux	B-Operating_System
,	O
Unix	B-Application
,	O
macOS	B-Application
,	O
BeOS	B-Application
available	O
IntelliJ	B-Language
IDEA	I-Language
,	O
Eclipse	B-Application
,	O
Visual	B-Application
Studio	I-Application
Azure	B-Application
DevOps	I-Application
included	O
(	O
SharePoint	O
Server	O
used	O
for	O
web	O
services	O
)	O
Windows	B-Application
included	O
;	O
macOS	B-Application
,	O
Unix	B-Application
available	O
Visual	B-Application
Studio	I-Application
.	O
</s>
<s>
Java	B-Language
client	B-Protocol
for	O
Eclipse	B-Application
IDE	I-Application
and	O
IntelliJ	B-Language
IDEA	I-Language
(	O
standard	O
in	O
Ultimate	O
Edition	O
)	O
GNU	B-Protocol
Bazaar	I-Protocol
can	O
use	O
a	O
plain	O
webserver	O
Olive	O
,	O
bzr-gtk	O
(	O
GTK+	B-Application
)	O
,	O
Bazaar	B-Protocol
Explorer	O
(	O
Qt	B-Language
)	O
,	O
QBzr	O
(	O
Qt	B-Language
)	O
,	O
TortoiseBzr	B-Protocol
(	O
Windows	B-Application
)	O
Eclipse	B-Application
(	O
BzrEclipse	O
,	O
QBzrEclipse	O
)	O
,	O
Visual	B-Application
Studio	I-Application
(	O
bzr-visualstudio	O
)	O
,	O
TextMate	B-Application
(	O
TextMateBundle	O
)	O
,	O
Komodo	B-Language
IDE	I-Language
,	O
WingIDE	B-Application
BitKeeper	B-Protocol
included	O
included	O
(	O
bkd	O
)	O
CA	O
Software	O
Change	O
Manager	O
included	O
Eclipse-based	O
GUI	B-Application
Eclipse	B-Application
,	O
MS	B-Application
Visual	I-Application
Studio	I-Application
ClearCase	B-Protocol
included	O
,	O
Clearcase	B-Protocol
Web	O
Interface	O
older	O
:	O
MS	B-Application
Windows	I-Application
native	O
,	O
Motif-based	O
GUI	B-Application
for	O
Unix-like	B-Operating_System
systems	I-Operating_System
,	O
TSO	B-Application
client	B-Protocol
for	O
z/OS	B-Application
.	O
</s>
<s>
Emacs	B-Application
,	O
Eclipse	B-Application
(	O
IBM	O
Proprietary	O
,	O
Eclipse-CCase	O
)	O
,	O
Visual	B-Application
Studio	I-Application
(	O
IBM	O
proprietary	O
)	O
,	O
KDevelop	B-Language
(	O
standard	O
?	O
</s>
<s>
)	O
,	O
IntelliJ	B-Language
IDEA	I-Language
(	O
standard	O
in	O
Ultimate	O
Edition	O
)	O
Code	B-Protocol
Co-op	I-Protocol
Not	O
necessary	O
since	O
entire	O
project	O
is	O
replicated	O
locally	O
Windows	B-Application
CVS	B-Application
cvsweb	O
,	O
ViewVC	B-Protocol
,	O
others	O
TortoiseCVS	B-Protocol
(	O
Windows	B-Application
Explorer	O
)	O
,	O
TkCVS	O
(	O
Tcl/Tk	B-Operating_System
)	O
,	O
WinCVS	B-Protocol
,	O
macOS	B-Application
,	O
GTK	B-Application
,	O
Qt	B-Language
available	O
Eclipse	B-Application
(	O
Team	O
)	O
,	O
KDevelop	B-Language
(	O
standard	O
)	O
,	O
IntelliJ	B-Language
IDEA	I-Language
(	O
standard	O
in	O
Community	O
and	O
Ultimate	O
Editions	O
)	O
,	O
Emacs	B-Application
(	O
standard	O
VC	O
)	O
,	O
Komodo	B-Language
IDE	I-Language
,	O
BBEdit	B-Operating_System
,	O
WingIDE	B-Application
CVSNT	B-Protocol
cvsweb	O
,	O
ViewVC	B-Protocol
,	O
others	O
Windows	B-Application
,	O
macOS	B-Application
,	O
OS/400	B-Application
,	O
GTK	B-Application
,	O
Qt	B-Language
available	O
All	O
those	O
that	O
support	O
CVS	B-Application
,	O
plus	O
commercial	O
plugins	O
for	O
SCCI	O
,	O
Bugzilla	B-Application
,	O
Build	O
darcs	B-Protocol
darcs.cgi	O
included	O
;	O
darcsweb	O
,	O
Trac	B-Language
under	O
development	O
;	O
TortoiseDarcs	O
(	O
Windows	B-Application
Explorer	O
)	O
,	O
macOS	B-Application
(	O
alpha	O
)	O
,	O
Eclipse	B-Application
(	O
eclipsedarcs	O
)	O
,	O
Emacs	B-Application
(	O
vc-darcs.el	O
)	O
Dimensions	B-Application
CM	I-Application
Windows	B-Application
(	O
incl	O
.	O
</s>
<s>
explorer	O
integration	O
)	O
Eclipse	B-Application
,	O
Visual	B-Application
Studio	I-Application
,	O
IntelliJ	B-Language
IDEA	I-Language
,	O
XCode	B-Operating_System
,	O
Powerbuilder	B-Language
Fossil	B-Protocol
Embedded	O
webserver	O
included	O
(	O
ui/server	O
mode	O
)	O
,	O
ability	O
to	O
run	O
multiple	O
repositories	B-General_Concept
via	O
CGI	O
mode	O
fuel-scm	O
Git	B-Application
Gitweb	O
,	O
wit	O
,	O
cgit	O
,	O
GitLab	B-Application
,	O
GitHub	B-Application
,	O
gitorious	B-Application
,	O
Trac	B-Language
,	O
Kallithea	B-Application
,	O
Bitbucket	B-Protocol
,	O
Stash	O
,	O
Springloops	O
,	O
Bonobo	O
Git	B-Application
Server	O
,	O
Gitea	B-Application
,	O
Gogs	O
gitk	O
,	O
git-gui	O
(	O
Tcl/Tk	B-Operating_System
)	O
,	O
tig	O
,	O
Gitbox	O
(	O
macOS	B-Application
)	O
,	O
TortoiseGit	B-Protocol
,	O
qgit	O
,	O
gitg	O
(	O
GNOME/GTK	O
)	O
,	O
(	O
h	O
)	O
gct	O
(	O
Qt	B-Language
)	O
,	O
git-cola	O
(	O
Qt	B-Language
)	O
,	O
Git	B-Application
Extensions	O
(	O
Windows	B-Application
)	O
,	O
GitEye	O
,	O
SmartGit/Hg	O
,	O
Tower	O
,	O
SourceTree	O
(	O
macOS/Windows	O
)	O
,	O
Sprout	O
(	O
macOS	B-Application
)	O
,	O
GitX	O
(	O
macOS	B-Application
)	O
,	O
GitUp	O
(	O
macOS	B-Application
)	O
,	O
GitKraken	B-Application
,	O
Sublime	O
Merge	B-General_Concept
Aptana	O
3	O
Beta	O
(	O
Aptana	O
Studio	O
3	O
with	O
Git	B-Application
Integration	O
)	O
;	O
Atom	B-Application
;	O
Eclipse	B-Application
(	O
JGit/EGit	O
)	O
;	O
Helix	O
TeamHub	O
;	O
Netbeans	B-Application
(	O
NbGit	O
)	O
;	O
KDevelop	B-Language
;	O
Visual	B-Application
Studio	I-Application
(	O
Git	B-Application
Extensions	O
)	O
;	O
Emacs	B-Application
(	O
extension	O
for	O
standard	O
VC	O
)	O
;	O
SAP	O
Web	O
IDE	B-Application
;	O
TextMate	B-Application
(	O
Git	B-Application
TextMate	B-Application
Bundle	O
)	O
;	O
Vim	O
(	O
VCSCommand	O
plugin	O
and	O
fugitive	O
plugin	O
)	O
;	O
IntelliJ	B-Language
IDEA	I-Language
>8.1	O
(	O
standard	O
in	O
Community	O
and	O
Ultimate	O
Editions	O
)	O
;	O
Komodo	B-Language
IDE	I-Language
;	O
Anjuta	B-Language
;	O
XCode	B-Operating_System
,	O
WingIDE	B-Application
;	O
PyCharm	B-Application
GNU	B-Protocol
arch	I-Protocol
ArchZoom	O
ArchWay	O
(	O
GTK2	B-Application
)	O
,	O
TlaLog	O
Emacs	B-Application
(	O
standard	O
VC	O
)	O
IC	B-Application
Manage	I-Application
included	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
Unix	B-Application
,	O
macOS	B-Application
Emacs	B-Application
,	O
Cadence	O
Design	O
Framework	O
,	O
Synopsys	O
Custom	O
Designer	O
MKS	B-Protocol
Integrity	I-Protocol
Yes	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
Unix	B-Application
,	O
Solaris	B-Application
,	O
AIX	B-Application
,	O
Eclipse	B-Application
,	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
,	O
Perforce	B-General_Concept
and	O
others	O
.	O
</s>
<s>
Also	O
provides	O
support	O
for	O
the	O
industry	O
standard	O
Source	O
Code	O
Control	O
(	O
SCC	O
)	O
interface	O
Mercurial	B-Protocol
included	O
,	O
hgweb	O
for	O
single-repository	O
access	O
and	O
hgwebdir	O
for	O
multiple	O
repository	B-General_Concept
access	O
from	O
a	O
single	O
HTTP	B-Protocol
address	O
Trac	B-Language
,	O
Kallithea	B-Application
Hgk	O
(	O
Tcl/Tk	B-Operating_System
)	O
,	O
(	O
h	O
)	O
gct	O
(	O
Qt	B-Language
)	O
,	O
TortoiseHg	O
(	O
Windows	B-Application
Explorer	O
,	O
Nautilus	O
)	O
,	O
MacHg	O
,	O
</s>
<s>
MacMercurial	O
,	O
Murky	O
,	O
SourceTree	O
(	O
Windows/macOS	O
)	O
,	O
TortoiseHg	O
,	O
SmartGit/Hg	O
IntelliJ	B-Language
IDEA	I-Language
(	O
hg4idea	O
3rd	O
party	O
plugin	O
)	O
,	O
Eclipse	B-Application
(	O
Mercurial	B-Protocol
Eclipse	B-Application
)	O
,	O
NetBeans	B-Application
,	O
Visual	B-Application
Studio	I-Application
2008	I-Application
,	O
Emacs	B-Application
,	O
Vim	O
(	O
VCSCommand	O
plugin	O
)	O
,	O
Komodo	B-Language
IDE	I-Language
,	O
Eric	B-Application
Python	I-Application
IDE	I-Application
,	O
WingIDE	B-Application
Monotone	B-Application
ViewMTN	O
,	O
TracMonotone	O
,	O
Monotone-Viz	O
(	O
GTK+	B-Application
)	O
,	O
Guitone	O
(	O
Qt	B-Language
)	O
,	O
Monotone	B-Application
Browser	O
(	O
GTK+	B-Application
,	O
Perl	B-Language
)	O
Perforce	B-General_Concept
Helix	O
Core	O
included	O
,	O
P4Web	O
,	O
P4FTP	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
Mac	O
macOS	B-Application
Eclipse	B-Application
,	O
Visual	B-Application
Studio	I-Application
,	O
Matlab	B-Language
;	O
Game	O
Engines	O
:	O
Unity	B-Application
,	O
Unreal	B-Operating_System
,	O
Amazon	B-Application
Lumberyard	I-Application
;	O
Graphics	O
:	O
Autodesk	B-Language
Maya	I-Language
,	O
3ds	B-Language
max	I-Language
,	O
Adobe	B-Operating_System
PS	I-Operating_System
Rational	O
Team	O
Concert	O
Yes	O
Eclipse-based	O
GUI	B-Application
Eclipse	B-Application
integration	O
;	O
MS	B-Application
Visual	I-Application
Studio	I-Application
integration(Limited )	O
StarTeam	B-Application
included	O
Windows	B-Application
,	O
Java	B-Language
,	O
Eclipse	B-Application
,	O
Visual	B-Application
Studio	I-Application
,	O
BDS2006	O
integration	O
,	O
plus	O
Java	B-Language
command-line	O
IntelliJ	B-Language
IDEA	I-Language
(	O
standard	O
in	O
Ultimate	O
Edition	O
)	O
,	O
Visual	B-Application
Studio	I-Application
,	O
JBuilder	O
,	O
Eclipse	B-Application
Subversion	B-Application
Apache	O
2	O
module	O
included	O
,	O
WebSVN	O
,	O
ViewSVN	O
,	O
ViewVC	B-Protocol
,	O
Trac	B-Language
,	O
SharpForge	O
,	O
sventon	O
,	O
Springloops	O
Java	B-Language
,	O
KDESVN	O
,	O
macOS	B-Application
(	O
including	O
Finder	O
integration	O
)	O
,	O
Nautilus	O
,	O
Qt	B-Language
,	O
RabbitVCS	B-Protocol
,	O
RapidSVN	B-Language
,	O
SourceTree	O
(	O
macOS	B-Application
)	O
,	O
TortoiseSVN	B-Protocol
(	O
Windows	B-Application
Explorer	O
)	O
Anjuta	B-Language
,	O
BBEdit	B-Operating_System
,	O
Eclipse	B-Application
(	O
Subclipse	O
,	O
Subversive	O
)	O
,	O
Emacs	B-Application
(	O
standard	O
VC	O
)	O
,	O
IntelliJ	B-Language
IDEA	I-Language
(	O
standard	O
in	O
Community	O
and	O
Ultimate	O
Editions	O
)	O
,	O
KDevelop	B-Language
(	O
standard	O
)	O
,	O
Komodo	B-Language
IDE	I-Language
,	O
MonoDevelop	B-Language
(	O
standard	O
)	O
,	O
Netbeans	B-Application
,	O
RabbitVCS	B-Protocol
(	O
for	O
GEdit	O
)	O
,	O
TextMate	B-Application
(	O
SVNMate	O
plugin	O
)	O
,	O
Visual	B-Application
Studio	I-Application
(	O
AnkhSVN	B-Protocol
,	O
VisualSVN	B-Protocol
)	O
,	O
WingIDE	B-Application
.	O
</s>
<s>
See	O
also	O
Comparison	B-Protocol
of	I-Protocol
Subversion	I-Protocol
clients	I-Protocol
Surround	B-Application
SCM	I-Application
Yes	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Operating_System
Eclipse	B-Application
,	O
IntelliJ	B-Language
IDEA	I-Language
,	O
JDeveloper	B-Language
,	O
NetBeans	B-Application
,	O
Visual	B-Application
Studio	I-Application
,	O
WebStorm	O
Synergy	B-Protocol
via	O
Telelogic	O
Change	O
interface	O
Windows	B-Application
(	O
incl	O
.	O
</s>
<s>
Notable	O
users	O
:	O
is	O
a	O
list	O
of	O
well	O
known	O
projects	O
using	O
the	O
software	O
as	O
their	O
primary	O
revision	B-Architecture
control	I-Architecture
system	I-Architecture
,	O
excluding	O
the	O
software	O
itself	O
,	O
followed	O
by	O
a	O
link	O
to	O
a	O
full	O
list	O
if	O
available	O
.	O
</s>
<s>
Software	O
History	O
Notable	O
users	O
AccuRev	O
SCM	O
First	O
publicly	O
released	O
in	O
2002	O
American	O
Airlines	O
,	O
Ford	O
,	O
Lockheed	O
Martin	O
,	O
Orbitz	O
,	O
Xerox	O
,	O
McAfee	O
,	O
Polycom	O
,	O
SanDisk	O
,	O
Siemens	O
,	O
Sony	O
,	O
Symantec	O
,	O
Thomson	O
Financial	O
,	O
Verizon	B-Application
Wireless	I-Application
and	O
many	O
others	O
Azure	B-Application
DevOps	I-Application
Server	I-Application
First	O
publicly	O
released	O
in	O
March	O
,	O
2006	O
as	O
Visual	B-Application
Studio	I-Application
Team	I-Application
System	I-Application
,	O
renamed	O
to	O
Team	B-Application
Foundation	I-Application
Server	I-Application
in	O
2010	O
and	O
Azure	B-Application
DevOps	I-Application
Server	I-Application
in	O
2019	O
.	O
</s>
<s>
Microsoft	O
Azure	B-Application
DevOps	I-Application
Services	O
First	O
publicly	O
released	O
in	O
2012	O
as	O
Team	O
Foundation	O
Service	O
,	O
renamed	O
to	O
Visual	B-Application
Studio	I-Application
Online	O
in	O
2013	O
,	O
Visual	B-Application
Studio	I-Application
Team	O
Services	O
in	O
2015	O
and	O
Azure	B-Application
DevOps	I-Application
in	O
2018	O
.	O
</s>
<s>
Microsoft	O
GNU	B-Protocol
Bazaar	I-Protocol
Initial	O
release	O
March	O
26	O
,	O
2005	O
.	O
</s>
<s>
Sponsored	O
by	O
Canonical	O
Ltd	O
.	O
Ubuntu	B-Operating_System
,	O
Launchpad	B-Protocol
,	O
KatchTV	O
,	O
BitKeeper	B-Protocol
Initial	O
release	O
May	O
4	O
,	O
2000	O
.	O
</s>
<s>
Influenced	O
by	O
Sun	B-Protocol
WorkShop	I-Protocol
TeamWare	I-Protocol
Linux	B-Operating_System
Kernel	I-Operating_System
(	O
2002	O
–	O
2005	O
)	O
and	O
many	O
companies	O
CA	O
Software	O
Change	O
Manager	O
Original	O
company	O
founded	O
in	O
1977	O
;	O
CA	O
SCM	O
(	O
then	O
called	O
CCC/Harvest	O
)	O
first	O
released	O
in	O
1995	O
.	O
</s>
<s>
ClearCase	B-Protocol
Developed	O
beginning	O
in	O
1990	O
by	O
Atria	O
Software	O
,	O
following	O
concepts	O
developed	O
by	O
Apollo	O
Computer	O
in	O
DSEE	O
during	O
the	O
1980s	O
.	O
</s>
<s>
IBM	O
,	O
Alcatel-Lucent	O
,	O
Cisco	O
,	O
Motorola	O
,	O
Siemens	O
,	O
Ericsson	O
,	O
Nokia	O
,	O
Society	B-Protocol
for	I-Protocol
Worldwide	I-Protocol
Interbank	I-Protocol
Financial	I-Protocol
Telecommunication	I-Protocol
and	O
other	O
large	O
organizations	O
worldwide	O
Code	B-Protocol
Co-op	I-Protocol
The	O
first	O
distributed	B-Protocol
VCS	O
,	O
demoed	O
in	O
1997	O
,	O
released	O
soon	O
after	O
.	O
</s>
<s>
CVS	B-Application
First	O
publicly	O
released	O
July	O
3	O
,	O
1986	O
;	O
based	O
on	O
RCS	B-Architecture
NetBSD	B-Device
,	O
OpenBSD	B-Operating_System
,	O
Guerrilla	O
Games	O
CVSNT	B-Protocol
First	O
publicly	O
released	O
1998	O
;	O
based	O
on	O
CVS	B-Application
.	O
</s>
<s>
Started	O
by	O
CVS	B-Application
developers	O
with	O
the	O
goal	O
adding	O
support	O
for	O
a	O
wider	O
range	O
of	O
development	O
methods	O
and	O
processes	O
.	O
</s>
<s>
:	O
AnandTech	O
,	O
Wachovia	O
,	O
Wells	O
Fargo	O
,	O
Goldman	O
Sachs	O
darcs	B-Protocol
First	O
announced	O
on	O
April	O
9	O
,	O
2003	O
Mnet	O
,	O
xmonad	B-Device
,	O
Projects	O
Using	O
Darcs	B-Protocol
Dimensions	B-Application
CM	I-Application
Developed	O
by	O
SQL	O
Software	O
under	O
the	O
name	O
"	O
PCMS	O
Dimensions	O
"	O
during	O
the	O
late	O
1980s	O
(	O
PCMS	O
standing	O
for	O
Product	O
Configuration	O
Management	O
)	O
.	O
</s>
<s>
Through	O
number	O
of	O
company	O
acquisitions	O
the	O
product	O
was	O
released	O
under	O
names	O
"	O
PVCS	B-Protocol
Dimensions	O
"	O
(	O
1990s	O
,	O
Intersolv	O
)	O
,	O
"	O
Dimensions	O
"	O
(	O
early	O
2000s	O
,	O
Merant	O
)	O
,	O
"	O
ChangeMan	O
Dimensions	O
"	O
(	O
2004	O
,	O
Serena	O
Software	O
)	O
and	O
finally	O
"	O
Dimensions	B-Application
CM	I-Application
"	O
(	O
since	O
2007	O
,	O
Serena	O
Software	O
)	O
.	O
</s>
<s>
Fossil	B-Protocol
Fossil	B-Protocol
and	O
SQLite	B-Language
have	O
used	O
Fossil	B-Protocol
since	O
21	O
July	O
2007	O
.	O
</s>
<s>
SQLite	B-Language
,	O
Tcl/Tk	B-Operating_System
Project	I-Operating_System
Git	B-Application
Started	O
by	O
Linus	O
Torvalds	O
in	O
April	O
2005	O
,	O
following	O
the	O
BitKeeper	B-Protocol
controversy.Towards	O
A	O
Better	O
SCM	O
:	O
Revlogs	O
and	O
Mercurial	B-Protocol
,	O
presented	O
by	O
Matt	B-Protocol
Mackall	I-Protocol
to	O
the	O
Ottawa	O
Linux	B-Operating_System
Symposium	O
,	O
July	O
2006	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
Android	B-Application
,	O
OpenJDK	B-Language
,	O
Bugzilla	B-Application
,	O
DragonFly	B-Application
BSD	I-Application
,	O
GNOME	B-Application
,	O
GNU	B-Application
Emacs	I-Application
,	O
GRUB2	O
,	O
KDE	B-Application
,	O
MySQL	B-Application
,	O
Perl	B-Language
5	I-Language
,	O
PostgreSQL	B-Application
,	O
X.Org	B-Operating_System
,	O
Cairo	B-Language
,	O
Qt	B-Language
Development	O
Frameworks	O
,	O
Samba	B-Language
,	O
OpenEmbedded	B-Application
,	O
Ruby	B-Language
,	O
Ruby	B-Application
on	I-Application
Rails	I-Application
,	O
Wine	B-Application
,	O
Fluxbox	B-Language
,	O
Openbox	B-Language
,	O
Compiz	B-Language
Fusion	I-Language
,	O
XCB	B-Language
,	O
ELinks	B-Protocol
,	O
XMMS2	O
,	O
e2fsprogs	B-Application
,	O
GNU	B-Application
Core	I-Application
Utilities	I-Application
,	O
DokuWiki	B-Protocol
,	O
Drupal	B-Application
,	O
LibreOffice	B-Application
,	O
MediaWiki	B-Application
,	O
Mono	B-Application
,	O
ASP.NET	B-Language
MVC	I-Language
,	O
ADO.NET	B-Application
Entity	I-Application
Framework	I-Application
,	O
NuGet	B-Application
,	O
jQuery	B-Language
and	O
many	O
of	O
its	O
plugins	O
,	O
OpenCV	B-Language
,	O
Wireshark	B-Language
,	O
Django	B-Language
,	O
many	O
companies	O
like	O
Ericsson	O
,	O
Microsoft	O
,	O
Huawei	O
,	O
Apple	O
,	O
Amazon	O
,	O
LG	O
GNU	B-Protocol
arch	I-Protocol
Started	O
by	O
Tom	O
Lord	O
in	O
2001	O
,	O
it	O
later	O
became	O
part	O
of	O
the	O
GNU	B-Operating_System
project	O
.	O
</s>
<s>
Lord	O
resigned	O
as	O
maintainer	O
in	O
August	O
2005	O
.	O
available	O
for	O
GNU	B-Protocol
Savannah	I-Protocol
and	O
Gna.org	B-Protocol
projects	O
IC	B-Application
Manage	I-Application
Developed	O
by	O
IC	B-Application
Manage	I-Application
,	O
Inc	O
which	O
was	O
founded	O
in	O
2003	O
by	O
Shiv	O
Sikand	O
and	O
Dean	O
Drako	O
.	O
</s>
<s>
many	O
organizations	O
worldwideIC	O
Manage	O
:	O
Industrial	O
Strength	O
Data	O
Management	O
PTC	B-Protocol
Integrity	I-Protocol
Originally	O
developed	O
by	O
MKS	B-Protocol
Software	O
.	O
</s>
<s>
Purchased	O
by	O
PTC	O
in	O
May	O
2011	O
Many	O
global	O
engineering	O
and	O
IT	O
organizations	O
Mercurial	B-Protocol
Started	O
April	O
6	O
,	O
2005	O
by	O
Matt	B-Protocol
Mackall	I-Protocol
,	O
following	O
the	O
BitKeeper	B-Protocol
controversy	O
.	O
</s>
<s>
First	O
released	O
on	O
April	O
19	O
,	O
2005	O
Python	B-Language
,	O
Mozilla	B-Operating_System
,	O
NetBeans	B-Application
,	O
Xine	B-Application
,	O
Xen	B-Operating_System
,	O
OpenSolaris	B-Operating_System
,	O
wmii	B-Language
,	O
MoinMoin	B-Application
,	O
Linux-HA	B-Operating_System
,	O
Pidgin	B-Protocol
,	O
Gajim	B-Language
,	O
Nginx	B-Operating_System
,	O
PyPy	B-Language
,	O
SDL	B-Operating_System
,	O
Facebook	B-Application
,	O
Google	B-Application
(	O
as	O
a	O
UI	O
on	O
top	O
of	O
Piper	O
)	O
Monotone	B-Application
First	O
released	O
in	O
April	O
2003	O
CTWM	B-Device
,	O
I2P	B-Protocol
,	O
Botan	B-Protocol
Perforce	B-General_Concept
Helix	O
Core	O
Developed	O
by	O
Perforce	B-General_Concept
Software	I-General_Concept
,	O
Inc	O
which	O
was	O
founded	O
in	O
1995	O
by	O
Christopher	O
Seiwald	O
.	O
</s>
<s>
FreeBSD	B-Operating_System
,	O
Scania	O
AB	O
,	O
Rocksteady	O
Studios	O
,	O
Sega	O
Rational	O
Team	O
Concert	O
Version	O
1.0	O
released	O
in	O
June	O
,	O
2008	O
IBM	O
Revision	B-Architecture
Control	I-Architecture
System	I-Architecture
July	O
1985	O
RCS	B-Architecture
is	O
generally	O
(	O
but	O
not	O
always	O
)	O
superseded	O
by	O
other	O
systems	O
such	O
as	O
CVS	B-Application
,	O
which	O
began	O
as	O
a	O
wrapper	O
on	O
top	O
of	O
RCS	B-Architecture
.	O
</s>
<s>
Source	B-Device
Code	I-Device
Control	I-Device
System	I-Device
Started	O
by	O
Marc	O
Rochkind	O
in	O
1972	O
(	O
binary	O
history	O
files	O
,	O
written	O
in	O
Snobol	O
on	O
IBM-370	O
,	O
SCCSv4	O
with	O
text	O
history	O
files	O
was	O
published	O
February	O
18	O
,	O
1977.http://minnie.tuhs.org/cgi-bin/utree.pl	O
?	O
file	O
=	O
PWB1/usr/news/pibs	O
PWB	O
UNIX	B-Application
product	O
announcement	O
The	O
same	O
history	O
file	O
format	O
is	O
still	O
used	O
in	O
SCCS	O
5.0.Compare	O
the	O
SCCS	O
4	O
file	O
format	O
with	O
the	O
SCCS	O
5.0	O
file	O
format	O
(	O
as	O
manpage	O
sccsfile(4 )	O
in	O
as	O
the	O
POSIX	O
source-control	O
tool	O
,	O
SCCS	O
is	O
widely	O
available	O
on	O
UNIX	B-Application
platforms	O
,	O
but	O
not	O
included	O
in	O
many	O
Linux	B-Operating_System
distributions	O
.	O
</s>
<s>
Sun	B-Protocol
WorkShop	I-Protocol
TeamWare	I-Protocol
uses	O
SCCS	O
files	O
.	O
</s>
<s>
StarTeam	B-Application
Version	O
1.0	O
1995	O
;	O
Starteam®	O
Developed	O
by	O
StarBase	O
software	O
,	O
acquired	O
by	O
Borland(which was acquired by Micro Focus )	O
.	O
</s>
<s>
Borland	O
,	O
BT	O
,	O
Cintas	O
,	O
EDS	O
,	O
Kaiser	O
Permanente	O
,	O
Met	O
Office	O
,	O
Quest	O
Software	O
,	O
Raymond	O
James	O
,	O
Siemens	O
,	O
and	O
many	O
more	O
globally	O
distributed	B-Protocol
companiesCustomer	O
Profiles	O
Apache	B-Application
Subversion	I-Application
Started	O
in	O
2000	O
by	O
CVS	B-Application
developers	O
with	O
goal	O
of	O
replacing	O
CVS	B-Application
ASF	O
,	O
Blendo	O
Games	O
,	O
BRL-CAD	B-Language
,	O
clang	B-Application
,	O
gcc	B-Application
,	O
SourceForge	B-Application
,	O
FreeBSD	B-Operating_System
,	O
Google	B-Protocol
Code	I-Protocol
,	O
KDE	B-Application
(	O
until	O
2011	O
)	O
,	O
PuTTY	B-Operating_System
,	O
Zope	B-Language
,	O
Xiph	B-Application
,	O
GnuPG	B-Application
,	O
CUPS	B-Application
,	O
Apache	B-Application
OpenOffice	I-Application
,	O
TWiki	B-Language
,	O
WebKit	B-Language
,	O
available	O
on	O
CodePlex	B-Protocol
,	O
and	O
many	O
organizations	O
worldwide	O
Synergy	B-Protocol
Developed	O
beginning	O
in	O
1988	O
by	O
Caseware	O
,	O
as	O
AmplifyControl	O
.	O
</s>
<s>
The	O
company	O
was	O
renamed	O
Continuus	B-Protocol
in	O
1994	O
,	O
where	O
the	O
product	O
became	O
better	O
known	O
as	O
Continuus/CM	O
.	O
</s>
<s>
Continuus	B-Protocol
was	O
acquired	O
by	O
Telelogic	O
in	O
1999	O
shortly	O
after	O
going	O
public	O
;	O
the	O
product	O
was	O
renamed	O
Telelogic	B-Protocol
Synergy	I-Protocol
.	O
</s>
<s>
The	O
product	O
is	O
now	O
known	O
as	O
IBM	O
Rational	O
Synergy.Hewitt	O
Associates	O
Vault	B-Language
First	O
publicly	O
released	O
in	O
February	O
,	O
2003	O
Vesta	B-Protocol
First	O
publicly	O
released	O
under	O
the	O
LGPL	B-Application
in	O
2001	O
DEC	O
Alpha	O
team	O
,	O
Compaq	O
Alpha	O
team	O
,	O
Intel	O
microprocessor	O
development	O
Visual	B-Protocol
SourceSafe	I-Protocol
originally	O
created	O
by	O
a	O
company	O
called	O
One	B-Protocol
Tree	I-Protocol
Software	I-Protocol
,	O
version	O
3.1	O
.	O
</s>
