一。查看內核版本命令：

1) [[email?protected]_SYS ~]# cat /proc/version

Linux version 2.6.18-238.el5 ([email?protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)) #1 SMP Sun Dec 19 14:22:44 EST 2010

2)[[email?protected]_SYS ~]# uname -r

2.6.18-238.el5

3)[[email?protected]_SYS ~]# uname -a

Linux SOR_SYS.99bill.com 2.6.18-238.el5 #1 SMP Sun Dec 19 14:22:44 EST 2010 x86_64 x86_64 x86_64 GNU/Linux

二。查看linux版本：

1) 登錄到服務器執行 lsb_release -a ,即可列出所有版本信息,例如:

[[email?protected]_SYS ~]# lsb_release -a

LSB Version:

:core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch

Distributor ID: RedHatEnterpriseAS

Description:??? Red Hat Enterprise Linux AS release 4 (Nahant Update 4)

Release:??????? 4

Codename:?????? NahantUpdate4

注:這個命令適用于所有的linux，包括Redhat、SuSE、Debian等發行版。

3) 登錄到linux執行cat /etc/redhat-release ,例如如下:

[[email?protected]_SYS ~]# cat /etc/redhat-release

Red Hat Enterprise Linux AS release 4 (Nahant Update 4)

4)登錄到linux執行rpm -q redhat-release ,例如如下:

[[email?protected]_SYS ~]# rpm -q redhat-release

redhat-release-5Server-5.6.0.3

注:這種方式下可看到一個所謂的release號，比如上邊的例子是5

這個release號和實際的版本之間存在一定的對應關系，如下：

redhat-release-3AS-1 -> Redhat Enterprise Linux AS 3

redhat-release-3AS-7.4 -> Redhat Enterprise Linux AS 3 Update 4

redhat-release-4AS-2 -> Redhat Enterprise Linux AS 4

redhat-release-4AS-2.4 -> Redhat Enterprise Linux AS 4 Update 1

redhat-release-4AS-3 -> Redhat Enterprise Linux AS 4 Update 2

redhat-release-4AS-4.1 -> Redhat Enterprise Linux AS 4 Update 3

redhat-release-4AS-5.5 -> Redhat Enterprise Linux AS 4 Update 4

另:第3)、4)兩種方法只對Redhat Linux有效

5) [[email?protected]_SYS ~]# file /bin/bash

/bin/bash: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for

GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux

2.6.9, stripped

6) [[email?protected]_SYS ~]# file /bin/cat

/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for

GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux

2.6.9, stripped

原文：http://www.cnblogs.com/tjws/p/3804558.html

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