（1）lsb_release 命令查看，FSG（Free Standards Group）组织开发的LSB (Linux Standard Base)标准的一个命令，用来查看linux兼容性的发行版信息

[root@enmoteam1 oracle]# lsb_release -h

FSG lsb_release v2.0 prints certain LSB (Linux Standard Base) and

Distribution information.





Usage: lsb_release [OPTION]...

With no OPTION specified defaults to -v.





Options:

  -v, --version

    Display the version of the LSB specification against which the distribution is compliant.

  -i, --id

    Display the string id of the distributor.

  -d, --description

    Display the single line text description of the distribution.

  -r, --release

    Display the release number of the distribution.

  -c, --codename

    Display the codename according to the distribution release.

  -a, --all

    Display all of the above information.

  -s, --short

    Use short output format for information requested by other options (or version if none).

  -h, --help

    Display this message.

[root@enmoteam1 oracle]# lsb_release -v

LSB Version:    :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch

[root@enmoteam1 oracle]# lsb_release -i

Distributor ID: RedHatEnterpriseServer

[root@enmoteam1 oracle]# lsb_release -d

Description:    Red Hat Enterprise Linux Server release 6.3 (Santiago)

[root@enmoteam1 oracle]# c

-bash: c: command not found

[root@enmoteam1 oracle]# lsb_release -c

Codename:       Santiago

[root@enmoteam1 oracle]# lsb_release -a

LSB Version:    :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: RedHatEnterpriseServer

Description:    Red Hat Enterprise Linux Server release 6.3 (Santiago)

Release:        6.3

Codename:       Santiago

[root@enmoteam1 oracle]# lsb_release -s

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

[root@enmoteam1 oracle]#

（2）/etc/issue查看，是系统安装时默认的发行版本号信息。通常安装好系统后文件内容不会发生变化

[root@enmoteam1 oracle]# cat  /etc/issue

Oracle Linux Server release 6.3

Kernel \r on an \m





[root@enmoteam1 oracle]#

(3)/proc/version 和 uname -a 显示的内容同样，显示linux内核版本。

[root@enmoteam1 oracle]# cat /proc/version

Linux version 2.6.39-200.24.1.el6uek.x86_64 (mockbuild@ca-build44.us.oracle.com) (gcc version 4.4.6 20110731 (Red Hat 4.4.6-3) (GCC) ) #1 SMP Sat Jun 23 02:39:07 EDT 2012

[root@enmoteam1 oracle]# uname -r

2.6.39-200.24.1.el6uek.x86_64

[root@enmoteam1 oracle]# uname -a

Linux enmoteam1 2.6.39-200.24.1.el6uek.x86_64 #1 SMP Sat Jun 23 02:39:07 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux

[root@enmoteam1 oracle]#

(4)/etc/redhat-release能够看到详细的版本

[oracle@enmoteam1 ~]$ cat /etc/redhat-release                               

Red Hat Enterprise Linux Server release 6.3 (Santiago)

[oracle@enmoteam1 ~]$