How to tell if Linux is CentOS

How to check if Linux is CentOS

Method 1: Check whether the redhat-release file exists

cat /etc/redhat-release

If the prompt file does not exist, it is not CentOS, if it exists, it is CentOS.

Note: Cat /etc/debian_version can be used to determine Debian/Ubuntu.

Method 2: Determine based on the package management tool

Enter yum. If there is output, it means CentOS. If it prompts that the command does not exist, it does not.

Note: Determine whether Debian/Ubuntu can use apt.

Recommended learning:CentOS usage tutorial

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