<s>
A	O
number	O
of	O
notable	O
software	B-Application
packages	I-Application
were	O
developed	O
for	O
,	O
or	O
are	O
maintained	O
by	O
,	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
as	O
part	O
of	O
the	B-Application
GNU	I-Application
Project	I-Application
.	O
</s>
<s>
Summarising	O
the	O
situation	O
in	O
2013	O
,	O
Richard	O
Stallman	O
identified	O
nine	O
aspects	O
which	O
generally	O
apply	O
to	O
being	O
a	O
GNU	B-Application
package	I-Application
,	O
but	O
he	O
noted	O
that	O
exceptions	O
and	O
flexibility	O
are	O
possible	O
when	O
there	O
are	O
good	O
reasons	O
:	O
</s>
<s>
The	O
package	O
should	O
say	O
that	O
it	O
is	O
a	O
GNU	B-Application
package	I-Application
.	O
</s>
<s>
It	O
should	O
be	O
distributed	O
via	O
ftp.gnu.org,	O
or	O
another	O
site	O
offering	O
access	O
to	O
everyone	O
.	O
</s>
<s>
The	O
package	O
's	O
homepage	O
should	O
be	O
on	O
the	O
GNU	B-Operating_System
website	O
.	O
</s>
<s>
The	O
developers	O
must	O
pay	O
attention	O
to	O
making	O
their	O
software	O
work	O
well	O
with	O
other	O
GNU	B-Application
packages	I-Application
.	O
</s>
<s>
Documentation	O
should	O
be	O
in	O
Texinfo	B-Application
format	O
,	O
or	O
in	O
a	O
format	O
easily	O
convertible	O
to	O
Texinfo	B-Application
.	O
</s>
<s>
Should	O
use	O
GNU	B-Application
Guile	I-Application
for	O
its	O
extension	O
language	O
,	O
but	O
exceptions	O
are	O
explicitly	O
possible	O
in	O
this	O
regard	O
.	O
</s>
<s>
Should	O
not	O
recommend	O
any	O
non-free	O
program	O
,	O
nor	O
refer	O
the	O
user	O
to	O
any	O
non-free	O
documentation	O
or	O
non-free	B-Application
software	I-Application
.	O
</s>
<s>
Use	O
GNU	B-Operating_System
terminology	O
,	O
including	O
referring	O
to	O
GNU/Linux	B-Application
systems	O
and	O
free	B-Application
software	I-Application
in	O
situations	O
where	O
other	O
observers	O
would	O
write	O
Linux	B-Operating_System
and	O
open	O
source	O
.	O
</s>
<s>
There	O
is	O
no	O
official	O
"	O
base	O
system	O
"	O
of	O
the	B-Operating_System
GNU	I-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
GNU	B-Operating_System
was	O
designed	O
to	O
be	O
a	O
replacement	O
for	O
Unix	B-Application
operating	I-Application
systems	I-Application
of	O
the	O
1980s	O
and	O
used	O
the	O
POSIX	O
standards	O
as	O
a	O
guide	O
,	O
but	O
either	O
definition	O
would	O
give	O
a	O
much	O
larger	O
"	O
base	O
system	O
"	O
.	O
</s>
<s>
The	O
following	O
list	O
is	O
instead	O
a	O
small	O
set	O
of	O
GNU	B-Application
packages	I-Application
which	O
seem	O
closer	O
to	O
being	O
"	O
core	O
"	O
packages	O
than	O
being	O
in	O
any	O
of	O
the	O
further	O
down	O
sections	O
.	O
</s>
<s>
Inclusions	O
(	O
such	O
as	O
plotutils	B-Application
)	O
and	O
exclusions	O
(	O
such	O
as	O
the	B-Language
C	I-Language
standard	I-Language
library	I-Language
)	O
are	O
of	O
course	O
debatable	O
.	O
</s>
<s>
Name	O
Description	O
Provides	O
Version	O
Date	O
bash	B-Operating_System
GNU	B-Operating_System
's	O
UNIX	B-Application
compatible	O
shell	O
bash	B-Operating_System
coreutils	B-Application
base	O
commands	O
fileutils	B-Application
:	O
chgrp	B-Application
,	O
chown	B-Device
,	O
chmod	B-Application
,	O
cp	B-Application
,	O
dd	B-Application
,	O
df	B-Device
,	O
dir	B-Application
,	O
du	B-Application
,	O
ln	B-Device
,	O
ls	B-Application
,	O
mkdir	B-Application
,	O
mkfifo	B-Device
,	O
mknod	O
,	O
mv	O
,	O
rm	B-Application
,	O
etc	O
.	O
</s>
<s>
textutils	B-Application
:	O
cat	B-Device
,	O
cksum	B-Device
,	O
head	B-Device
,	O
tail	B-Application
,	O
md5sum	B-Device
,	O
nl	B-Device
,	O
od	B-Device
,	O
pr	B-Application
,	O
tsort	B-Device
,	O
join	B-Application
,	O
wc	B-Application
,	O
tac	B-Device
,	O
paste	B-Device
,	O
etc	O
.	O
</s>
<s>
shellutils	B-Application
:	O
basename	B-Application
,	O
chroot	B-Application
,	O
date	O
,	O
dirname	B-Device
,	O
echo	B-Application
,	O
env	B-Device
,	O
groups	B-Application
,	O
hostname	B-Protocol
,	O
nice	B-Device
,	O
nohup	B-Device
,	O
printf	B-Language
,	O
sleep	B-Application
,	O
etc	O
.	O
</s>
<s>
cpio	B-Application
archiving	O
program	O
cpio	B-Application
diffutils	B-Application
contains	O
utilities	O
to	O
compare	O
files	O
diff	B-Application
,	O
cmp	B-Application
,	O
diff3	B-Application
,	O
sdiff	B-Application
findutils	B-Application
contains	O
search	O
utilities	O
find	B-Application
,	O
locate	B-Application
,	O
updatedb	B-Application
,	O
xargs	B-Application
finger	B-Application
user	O
information	O
1.37	O
grep	B-Application
search	O
for	O
strings	O
in	O
files	O
grep	B-Application
groff	B-Application
document	O
processing	O
system	O
(	O
groff	B-Application
)	O
groff	B-Application
GRUB	B-Application
GRand	B-Application
Unified	I-Application
Bootloader	I-Application
grub	B-Application
gzip	B-Application
compression	I-Application
program	O
(	O
gzip	B-Application
)	O
gzip	B-Application
hurdNote	O
that	O
because	O
GNU	B-Application
Hurd	I-Application
is	O
under	O
active	O
development	O
,	O
there	O
is	O
no	O
stable	O
version	O
.	O
</s>
<s>
The	B-Application
Hurd	I-Application
is	O
distributed	O
through	O
version	O
control	O
systems	O
.	O
</s>
<s>
microkernel-based	O
set	O
of	O
servers	O
that	O
perform	O
the	O
same	O
function	O
as	O
a	O
UNIX	B-Application
kernel	B-Operating_System
inetutils	B-Application
useful	O
utils	O
for	O
networking	O
ftp	B-Protocol
,	O
telnet	B-Protocol
,	O
rsh	B-Protocol
,	O
rlogin	B-Application
,	O
tftp	B-Device
linux-libre	B-Application
kernel	B-Operating_System
that	O
is	O
maintained	O
from	O
modified	O
versions	O
of	O
Linux	B-Operating_System
to	O
remove	O
any	O
software	O
that	O
does	O
not	O
include	O
its	O
source	O
code	O
,	O
has	O
its	O
source	O
code	O
obfuscated	O
,	O
or	O
is	O
released	O
under	O
proprietary	B-Application
licenses	I-Application
plotutils	B-Application
useful	O
utils	O
for	O
plotting	O
to	O
different	O
devices	O
graph	O
,	O
libplot	O
,	O
libplotter	O
readline	B-Application
useful	O
library	O
for	O
reading	O
command	O
lines	O
readline	B-Application
screen	B-Application
a	O
terminal	O
multiplexer	O
screen	B-Application
sysutilsNo	O
stable	O
version	O
yet	O
.	O
</s>
