How to view the linux kernel version

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Linux View Kernel version command

Uname-r or cat / proc/version

View the distribution (release) version

Cat / etc/issue or cat / etc/redhat-release (cat / etc/centos-release)

Meaning of version number

There are two linux kernel versions: stable version (minor version is even) and development version (minor version is odd)

Version number: main version. The second 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 for Enterprise Linux,6 for Centos6

X86'64 represents the CPU structure, that is, 64-bit

The first two numbers (primary and secondary versions) are generally used to describe the kernel series.

Released version: the kernel version that is released after the new features are accumulated to a certain extent when the architecture of the major and minor versions remains unchanged.

Modified version: modify some bug, etc.

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