CentOS查看内核版本、系统版本、系统位数

查看Linux内核版本

[root@mongo02 ~]# cat /proc/version    Linux version 2.6.32-358.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Fri Feb 22 00:31:26 UTC 2013    [root@mongo02 ~]# uname -a     Linux mongo02 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux    [root@mongo02 ~]# uname -r     2.6.32-358.el6.x86_64

查看操作系统版本

1.列出所有版本信息
[root@mongo02 ~]# 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 6.4 (Final)     Release:        6.4     Codename:       Final

注:这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。

2.执行cat /etc/issue
[root@mongo02 ~]# cat /etc/issue    CentOS release 6.4 (Final)     Kernel \r on an \m

3.执行cat /etc/redhat-release
[root@mongo02 ~]# cat /etc/redhat-release    CentOS release 6.4 (Final)

查看系统是64位还是32位

1.getconf LONG_BIT or getconf WORD_BIT
[root@mongo02 ~]# getconf LONG_BIT    64

2.file /bin/ls
[root@mongo02 ~]# file /bin/ls    /bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped

3.lsb_release -a
[root@mongo02 ~]# 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 6.4 (Final)     Release:        6.4     Codename:       Final

本文出自 “SQL Server Deep Dives” 博客，请务必保留此出处http://ultrasql.blog.51cto.com/9591438/1640435