CentOS-CentOS版本查询命令

1.查看操作系统版本。

[root@localhost etc]# cat /etc/redhat-release

CentOS release 6.5 (Final)

2.列出所有版本信息。

[root@localhostetc]# 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

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

3.查看linux内核版本。

[root@mongo02 ~]# cat /proc/version

Linux version 2.6.32-358.el6.x86_64 ([e-mail]) (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

4.查看系统是不是64位。

[root@localhostetc]# getconf LONG_BIT

64

[root@localhost etc]# 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

 

[root@localhost etc]# 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