Unknown option: "-3"
Unix manual page for uname. (host=minya system=Darwin)
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 charac-
teristics 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