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 ([e-mail]) (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

lsb_release -a (适用于所有的linux，包括Redhat、SuSE、Debian等发行版，但是在debian下要安装lsb)：

[root@localhost /]# lsb_release -a
LSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description:    CentOS release 6.5 (Final)
Release:        6.5
Codename:       Final