centos man page for uname

UNAME(1)							   User Commands							  UNAME(1)

NAME
       uname - print system information

SYNOPSIS
       uname [OPTION]...

DESCRIPTION
       Print certain system information.  With no OPTION, same as -s.

       -a, --all
	      print all information, in the following order, except omit -p and -i if unknown:

       -s, --kernel-name
	      print the kernel name

       -n, --nodename
	      print the network node hostname

       -r, --kernel-release
	      print the kernel release

       -v, --kernel-version
	      print the kernel version

       -m, --machine
	      print the machine hardware name

       -p, --processor
	      print the processor type or "unknown"

       -i, --hardware-platform
	      print the hardware platform or "unknown"

       -o, --operating-system
	      print the operating system

       --help display this help and exit

       --version
	      output version information and exit

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report uname translation bugs to <http://translationproject.org/team/>

AUTHOR
       Written by David MacKenzie.

COPYRIGHT
       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       arch(1), uname(2)

       The  full  documentation  for uname is maintained as a Texinfo manual.  If the info and uname programs are properly installed at your site,
       the command

	      info coreutils 'uname invocation'

       should give you access to the complete manual.

GNU coreutils 8.22						     June 2014								  UNAME(1)