uname -r ：顯示作業系統的發行版號

uname -a ：顯示系統名、節點名稱、作業系統的發行版號、作業系統版本、執行系統的機器 ID 號。

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