uname

uname 命令获得系统信息
Xinyie~>; uname
Linux

uname 选项：
 uname --help
用法：uname [选项]...
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     显示此帮助信息并退出
      --version  输出版本信息并退出

如：
Xinyie~>; uname -a
Linux localhost.localdomain 2.6.23.14-107.fc8 #1 SMP Mon Jan 14 21:37:30 EST 2008 i686 i686 i386 GNU/Linux