查看系统内核的方法：
1、uname -r
2、cat /proc/version
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[root@localhost ~]
# uname -r
2.6.32-504.8.1.el6.i686
[root@localhost ~]
# cat /proc/version
Linux version 2.6.32-504.8.1.el6.i686 (mockbuild@c6b9.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) )
#1 SMP Wed Jan 28 18:25:26 UTC 2015
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查看系统版本的方法：
1、cat /etc/issue
2、cat /etc/system-release 软连接文件，实际连接到centos-release
3、cat /etc/redhat-release 软连接文件，实际连接到centos-release
4、cat /etc/centos-release
5、rpm -qa | grep release
6、lsb_release -a
LSB是Linux Standard Base的缩写，lsb_release命令用来显示LSB和特定版本的相关信息，可通过yum -y install redhat-lsb命令安装。
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[root@localhost ~]
# cat /etc/issue
CentOS release 6.6 (Final)
Kernel \r on an \m
[root@localhost ~]
# cat /etc/system-release
CentOS release 6.6 (Final)
[root@localhost ~]
# cat /etc/redhat-release
CentOS release 6.6 (Final)
[root@localhost ~]
# cat /etc/centos-release
CentOS release 6.6 (Final)
[root@localhost ~]
# rpm -qa | grep release
centos-release-6-6.el6.centos.12.2.i686
[root@localhost ~]
# lsb_release -a
LSB Version::base-4.0-ia32:base-4.0-noarch: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 6.6 (Final)
Release:6.6
Codename:Final
本文转自 模范生 51CTO博客，原文链接：http://blog.51cto.com/mofansheng/1624193，如需转载请自行联系原作者
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