How to check the kernel version in linux

A friend wants to check the Linux kernel version number when using Linux. How should he check it? A friend also asked how to check the Linux system version information? Let’s find out more with the editor below.

1. Check the linux kernel version number

1: Log in to linux and enter cat /proc/version

in the terminal

2: Log in to Linux and enter uname -a in the terminal to list the Linux kernel version number.

2. Check the Linux system version information

1: Log in to the Linux server and execute the lsb_release-a command to view all version information.

2: Log in to linux and execute cat /etc/issue (remember to leave a space after cat) to see the version information.

The meaning of version number

There are two types of Linux kernel versions: stable version (minor version is an even number) and development version (minor version is an odd number)

Version number: major version. minor version. release version - modified version

Such as:

2.6.32-642.el6.x86_64

3.10.0-693.17.1.el7.x86_64

Note:

el represents Enterprise Linux, 6 represents Centos6

x86_64 represents the CPU structure, that is, 64-bit

Generally use the first two numbers (major and minor versions) to describe the kernel series

Release version: When the structure of the major and minor versions remains unchanged, the new functions will be released after accumulating to a certain extent. Kernel version

Modified version: modify some bugs, etc.

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