<s>
In	O
computer	B-Application
software	I-Application
,	O
logname	B-Device
(	O
stands	O
for	O
Login	O
Name	O
)	O
is	O
a	O
program	O
in	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
that	O
prints	O
the	O
name	O
of	O
the	O
user	O
who	O
is	O
currently	O
logged	O
in	O
on	O
the	O
terminal	O
.	O
</s>
<s>
It	O
usually	O
corresponds	O
to	O
the	O
LOGNAME	B-Device
variable	O
in	O
the	O
system-state	O
environment	O
(	O
but	O
this	O
variable	O
could	O
have	O
been	O
modified	O
)	O
.	O
</s>
<s>
The	O
logname	B-Device
system	B-Operating_System
call	I-Operating_System
and	O
command	B-Application
appeared	O
for	O
the	O
first	O
time	O
in	O
UNIX	B-Operating_System
System	I-Operating_System
III	I-Operating_System
.	O
</s>
<s>
The	O
author	O
of	O
the	O
version	O
of	O
logname	B-Device
bundled	O
in	O
GNU	B-Application
coreutils	I-Application
is	O
unknown	O
.	O
</s>
<s>
The	O
command	B-Application
is	O
available	O
as	O
a	O
separate	O
package	O
for	O
Microsoft	B-Application
Windows	I-Application
as	O
part	O
of	O
the	O
UnxUtils	B-Application
collection	O
of	O
native	B-Language
Win32	B-Library
ports	O
of	O
common	O
GNU	B-Operating_System
Unix-like	B-Operating_System
utilities	O
.	O
</s>
