1.檢視作業系統版本。

[[email protected] etc]# cat /etc/redhat-release

CentOS release 6.5 (Final)

2.列出所有版本資訊。

[[email protected]]# 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:這個命令適用於所有的linux，包括Redhat、SuSE、Debian等發行版。

3.檢視linux核心版本。

[[email protected] ~]# cat /proc/version

Linux version 2.6.32-358.el6.x86_64 ([email protected]) (gcc version 4.4.7

20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Fri Feb 22 00:31:26 UTC 2013 

[[email protected] ~]# 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   

[[email protected] ~]# uname -r

2.6.32-358.el6.x86_64

4.檢視系統是不是64位。

[[email protected]]# getconf LONG_BIT

64

[[email protected] 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

[[email protected] 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