UNAME(1) BSD Reference Manual UNAME(1)
uname - Print operating system name
uname [-almnprsv]
The uname utility writes symbols representing one or more system charac-
teristics to the standard output.
The following options are available:
-a Behave as though all of the options -lmnrsv were specified.
-l print the operating system patchlevel.
-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.
arch(1), hostname(1), machine(1), uname(3)
The uname utility conforms to IEEE Std 1003.2-1992 ("POSIX.2"). The -l
option is an extension to the standard; its presence in the -a output is
conformant as it is an expanded operating system release. The -p option
is an extension to the standard.
The uname command appeared in 4.4BSD.
MirOS BSD #10-current May 16, 2007 1
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