<s>
An	O
SSH	B-Protocol
server	I-Protocol
is	O
a	O
software	O
program	O
which	O
uses	O
the	O
Secure	B-Protocol
Shell	I-Protocol
protocol	I-Protocol
to	O
accept	O
connections	O
from	O
remote	O
computers	O
.	O
</s>
<s>
SFTP/SCP	O
file	O
transfers	O
and	O
remote	O
terminal	O
connections	O
are	O
popular	O
use	O
cases	O
for	O
an	O
SSH	B-Protocol
server	I-Protocol
.	O
</s>
<s>
The	O
operating	B-General_Concept
systems	I-General_Concept
or	O
virtual	B-Architecture
machines	I-Architecture
the	O
SSH	B-Protocol
servers	I-Protocol
are	O
designed	O
to	O
run	O
on	O
without	O
emulation	B-Application
;	O
there	O
are	O
several	O
possibilities	O
:	O
</s>
<s>
Included	O
indicates	O
that	O
the	O
server	O
comes	O
pre-packaged	O
with	O
or	O
has	O
been	O
integrated	O
into	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Name	O
macOS	B-Application
Windows	B-Application
Cygwin	B-Language
BSD	B-Operating_System
Linux	B-Application
Solaris	B-Application
Java	B-Device
OpenVMS	B-Operating_System
z/OS	B-Application
AmigaOS	B-Application
AIX	B-Application
HP-UX	B-Application
iOS	B-Application
webOS	B-Operating_System
Android	B-Application
Apache	B-Language
MINA	I-Language
SSHD	O
Bitvise	B-Application
SSH	B-Protocol
Server	I-Protocol
CopSSH	B-Protocol
CrushFTP	B-Protocol
Server	I-Protocol
Dropbear	B-Protocol
lsh	B-Algorithm
?	O
</s>
<s>
Name	O
SSH1	O
SSH2	O
Port	B-Protocol
forwarding	I-Protocol
SFTP	B-Protocol
SCP	B-Protocol
IPv6	B-Protocol
OpenSSH	B-Language
authorized	O
keys	O
Privilege	O
separation	O
FIPS	O
140-2	O
Apache	B-Language
MINA	I-Language
SSHD	O
?	O
</s>
<s>
Bitvise	B-Application
SSH	B-Protocol
Server	I-Protocol
CopSSH	B-Protocol
?	O
</s>
<s>
CrushFTP	B-Protocol
Server	I-Protocol
?	O
</s>
<s>
Dropbear	B-Protocol
?	O
</s>
<s>
Lsh	B-Algorithm
?	O
</s>
