uname(1)uname(1)Nameuname - print name of current UNIX system
Syntaxuname [ options ]
Description
The command prints the current system name of the UNIX system on the
standard output file. The command determines which system is being
used.
Options-s Print the system name (default).
-n Print the nodename (the nodename may be a name that the system
is known by to a communications network).
-r Print the operating system release.
-v Print the operating system version.
-m Print the machine hardware name.
-a Print all the above information.
uname(1)