View the Linux version and linux version

View the Linux version and linux version

How can I view the version information used in Linux? The following articles collect and organize some common methods for viewing the Linux system version. Since only Oracle Linux, Centos Linux, and Redhat Linux are available, the following methods have not been tested for Linux systems such as Debian and Ubuntu.

1: view more/etc/issue commands

1.1 Oracle Linux

[root@DB-Server ~]# more /etc/issue

Oracle Linux Server release 5.7

Kernel \r on an \m

Centos Linux 1.2

[root@Centos2 ~]# more /etc/issue

CentOS release 6.4 (Final)

Kernel \r on an \m

1.3 RedHat Linux

[root@getlnx05 ~]# more /etc/issue

Red Hat Enterprise Linux Server release 5.7 (Tikanga)

Kernel \r on an \m

2: view the lsb_release-a command

2.1 Oracle Linux

[root@DB-Server ~]# 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: EnterpriseEnterpriseServer

Description:    Enterprise Linux Enterprise Linux Server release 5.7 (Carthage)

Release:        5.7

Codename:       Carthage

Centos Linux 2.2

[root@Centos2 ~]#  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

2.3 RedHat Linux

[root@getlnx05 ~]#  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: RedHatEnterpriseServer

Description:    Red Hat Enterprise Linux Server release 5.7 (Tikanga)

Release:        5.7

Codename:       Tikanga

3: view the cat/etc/redhat-release command

This command can only be viewed in some Linux systems. Not all versions of Linux can use this command.

3.1 Oracle Linux

[root@DB-Server ~]# cat /etc/redhat-release 

Red Hat Enterprise Linux Server release 5.7 (Tikanga)

[root@DB-Server etc]# cat /etc/*release

Enterprise Linux Enterprise Linux Server release 5.7 (Carthage)

Oracle Linux Server release 5.7

Red Hat Enterprise Linux Server release 5.7 (Tikanga)

[root@DB-Server etc]# ls  /etc/*lease

/etc/enterprise-release  /etc/oracle-release  /etc/redhat-release

[root@DB-Server etc]# 

Centos Linux 3.2

[root@Centos2 ~]# cat /etc/redhat-release 

CentOS release 6.4 (Final)

[root@Centos2 ~]# cat /etc/*release

CentOS release 6.4 (Final)

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

CentOS release 6.4 (Final)

CentOS release 6.4 (Final)

[root@Centos2 ~]# ls /etc/*release

/etc/centos-release  /etc/lsb-release  /etc/redhat-release  /etc/system-release

[root@Centos2 ~]# 

3.3 RedHat Linux

[root@getlnx05 ~]# cat /etc/redhat-release 

Red Hat Enterprise Linux Server release 5.7 (Tikanga)

[root@getlnx05 ~]# cat /etc/*release

Red Hat Enterprise Linux Server release 5.7 (Tikanga)

[root@getlnx05 ~]# ls /etc/*release

/etc/redhat-release

[root@getlnx05 ~]#

4 rpm-q redhat-release command view, only applicable to Redhat Linux

[root@getlnx05 ~]# rpm -q redhat-release

redhat-release-5Server-5.7.0.3