Linux系统如何查看版本信息

• 输入"uname -a ",可显示电脑以及操作系统的相关信息

    [root@localhost ~]# uname -a
    Linux localhost.localdomain 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
  

• 输入"cat /proc/version",说明正在运行的内核版本
  [root@localhost ~]# cat /proc/version
  Linux version 2.6.32-431.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Fri Nov 22 03:15:09 UTC 2013

• 输入"cat /etc/issue", 显示的是发行版本信息
  [root@localhost ~]# cat /etc/issue
  CentOS release 6.5 (Final)
  Kernel \r on an \m