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Operating Systems Linux Difference between UNAME and WHO Post 302906684 by vinil on Monday 23rd of June 2014 03:00:36 AM
Old 06-23-2014
uname provides you information of operating system including its current version, including version info of Kernel.
who provides you information of all the concurrent user who are currently logged in on the machine you are looking into
 

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UNAME(1)						    BSD General Commands Manual 						  UNAME(1)

NAME
uname -- Print operating system name SYNOPSIS
uname [-amnprsv] DESCRIPTION
The uname utility writes symbols representing one or more system characteristics to the standard output. The following options are available: -a Behave as though all of the options -mnrsv were specified. -m print the machine hardware name. -n print the nodename (the nodename may be a name that the system is known by to a communications network). -p print the machine processor architecture name. -r print the operating system release. -s print the operating system name. -v print the operating system version. If no options are specified, uname prints the operating system name as if the -s option had been specified. SEE ALSO
hostname(1), machine(1), sw_vers(1), uname(3) STANDARDS
The uname utility conforms to IEEE Std 1003.2-1992 (``POSIX.2''). The -p option is an extension to the standard. BSD
November 9, 1998 BSD
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