一、查看linux版本命令
[root@localhost ~]# lsb_release -a
LSB Version: :core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 5.7 (Final)
Release: 5.7
Codename: Final
[root@localhost ~]#
这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。
[root@localhost ~]# cat /etc/redhat-release
CentOS release 5.7 (Final)
[root@localhost ~]#
这种方式下可以直接看到具体的版本号,适用于redhat centos系统
[root@localhost ~]# cat /etc/issue
CentOS release 5.7 (Final)
Kernel \r on an \m[root@localhost ~]#
二、查看内核版本命令
[root@localhost ~]# cat /proc/version
Linux version 2.6.18-238.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu Jan 13 16:24:47 EST 2011
[root@localhost ~]#
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-238.el5 #1 SMP Thu Jan 13 16:24:47 EST 2011 i686 i686 i386 GNU/Linux
[root@localhost ~]#
[root@localhost ~]# uname -r
2.6.18-238.el5
[root@localhost ~]#
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