uname(1)
NAME
uname − print name of current UNIX system
SYNTAX
uname [ −snrvma ]
DESCRIPTION
The uname command prints the current system name of the UNIX system on the standard output file. It is mainly useful to determine which system one is using.
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.