How to check linux version information

1. Check the current operating system kernel information

uname -a

2. Check the current operating system version information

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cat /proc/version

3. View the current operating system release version information

cat /etc/issue 
cat /etc/redhat-release

4. List all version information

lsb_release -a

If command not found appears, it means that lsb_realease is not installed. You can execute the command yum install -y redhat-lsb installs lsb_realease. After the installation is completed, the version information is as follows:

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