Linux kernel version of the latest release state, see linux official website: https://kernel.org/
Glossary:
1, mainline mainline
2, stabel stable version of the kernel to provide bug fixes and security updates; EOL ending with the word indicates that this version of the kernel does not support secure and repair
3, longterm long-term support version is no longer supported version will mark the end of the word EOL
Generated before the end of 4, linux-next code period snapshot submitted for testing as contributors to the use linux
First, the kernel version inquiry
System version tested: centos 8
Queries related to the core command:
1, cat / proc / version command
2, uname -a or -R & lt (difference between the two points is not a detailed information display selection using a simple dot)
I can see the test system kernel version is 4.18.0-80.el8.x86_64
Meaning its figures represent are:
A first set of numbers: 4, major version number
The second set of numbers: 18, minor version number
The third set of numbers: 0, revision number
The fourth set of numbers: 80.el8, represents the release version of the patch
x86_64: indicate applicable x86 architecture 64-bit CPU
el6: using RedHat / CentOS release-specific kernel series
EL8:
Second, the system version inquiry
Test version of the system: CentOS 8
Related command:
1、cat /etc/issue
2, lsb_release -a command to query (version information applies to all system queries)
First you need to download lisb_release is used when the external command is not installed
(Centos 8 above, I have not tested the installation lsb_release command,
The system will also remind you not to install this package and lists related to dependence has packages)
This process becomes simple top centos 8
so. . Fool-operation mounting lsb_release
Wait for the installation to complete on the line
Then enter lsb_release -a command to query
OK Read complete!
Commands:
lsb_release command when there is no need to select the parameters when used in conjunction with the -v option
Appropriate options:
-v display version information
-i displays the release version of id
-d display the description of the release
-r displays the current system release of specific models
-c release code
-a displays all the information above
-h Displays help information
-s Print a brief description of the information (only redhat and fedora system)