Check what commands can be used to check the Linux system version

1. lsb_release -a, you can list all version information

[root@S-CentOS ~]# 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

This command is applicable to all Linux distributions, including RedHat, SUSE, Debian...etc. Release.

2. cat /etc/redhat-release, this method is only suitable for Redhat Linux

 [root@S-CentOS home]# cat /etc/redhat-release
CentOS release 6.5 (Final)

3. cat /etc/issue, this command is also applicable to all Linux distributions

[root@S-CentOS home]# cat /etc/issue
CentOS release 6.5 (Final)
Kernel \r on an \m

Recommended tutorial: linux tutorial

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