How to check centos version

How to check the centos version

There are several methods:

Method 1: uname -a

[root@yun /]#uname -a
Linux yun 3.10.0-693.2.2e17.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GUN/Linux

Method 2: uname -r

Recommended learning: CentOS usage tutorial

[root@yun /]#uname -r
3.10.0-693.2.2e17.x86_64

Method 3: cat /etc/redhat-release

[root@yun /]#cat /etc/redhat-release
Centos Linux release 7.4.1702 (Core)

Method 4: cat /proc/version

[root@yun /]#cat /proc/version
Linux version 3.10.0-693.2.2.e17 x86_64

Method 5:cat /etc/issue

[root@yun /]#cat /etc/issue
Centos release  7.4.1702
Kernel \r on an \m

Method 6: (This method is suitable for hosts with desktop environments)

System Tools-->Settings--> ;Detailed information-->about

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