How to check whether centos version is 6 or 7

Checking method: 1. Use the "lsb_release -a" command to check; 2. Use the "Cat /etc/centos-release" command to check; 3. Use the "cat /etc/issue" command to check.

The operating environment of this article: centos 6.4 system, Dell G3 computer.

How to check whether centos version is 6 or 7

Method 1

For Linux systems, there are hundreds of distributions. How to check the version number of the release version

Take centos as an example. Enter lsb_release -a

This command applies to all linux, including Redhat, SuSE, Debian and other distributions

Method 2

If as shown above, there is no such command

You can check Cat /etc/xxx-release XX is the release name. For example, centos-release

Method 3.

You can also view the release version number by viewing the /etc/issue file

Recommended tutorial: "centos tutorial"

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