How to check version command in linux

The method of Linux checking version command is:

1, # uname -a (Linux checking version current operating system kernel information)

2, # cat /proc/version (Linux to view the current operating system version information)

3, # cat /etc/issue or cat /etc/redhat-release (Linux to view the version of the current operating system) Release version information)

4, # cat /proc/cpuinfo (Linux to view cpu related information, including model, main frequency, kernel information, etc.)

5, # getconf LONG_BIT (Linux to view the version How many digits)

6, # lsb_release -a (CentOS 6.9 version requires lsb to be installed, CentOS 7.0 and above can be used directly. It is said on the Internet that Linux supports it. I have only verified the CentOS system)

Recommended tutorial: "linux tutorial"

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