How to check the kernel version in linux

1. Ubuntu version check command, three methods.

1. Use "uname -a"

　

2. Use "lsb_release -a"

3. Use "cat /etc/issue"

　

Free video tutorial sharing: linux video tutorial

2. CentOS Check the version command, three methods.

1. Use "uname -a"

2. Use "lsb_release -a"

3 , use "cat /etc/issue"

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