查看Linux OS内核与版本的几种命令

查看Linux OS内核与版本的几种命令：
方法一：

[root@localhost ~]# cat /etc/os-release
NAME="openEuler"
VERSION="23.03"
ID="openEuler"
VERSION_ID="23.03"
PRETTY_NAME="openEuler 23.03"
ANSI_COLOR="0;31"

方法二：

[root@localhost ~]# cat /proc/version
Linux version 6.1.19-7.0.0.17.oe2303.x86_64 ([email protected]) (gcc_old (GCC) 10.3.1, GNU ld (GNU Binutils) 2.37) #1 SMP PREEMPT_DYNAMIC Tue Mar 28 00:01:02 CST 2023

方法三：

[root@localhost ~]# uname -a
Linux localhost.localdomain 6.1.19-7.0.0.17.oe2303.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Mar 28 00:01:02 CST 2023 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]#

方法四：

#需要系统有包支持，没有的话需要联网安装，如下所示
[root@ss /]# lsb_release -a
bash: lsb_release: command not found...
Install package 'redhat-lsb-core' to provide command 'lsb_release'? [N/y] y


 * Waiting in queue...
 * Loading list of packages....
The following packages have to be installed:
 esmtp-1.2-15.el8.x86_64        User configurable send-only Mail Transfer Agent
 libesmtp-1.0.6-18.el8.x86_64   SMTP client library
 liblockfile-1.14-1.el8.x86_64  This implements a number of functions found in -lmail on SysV systems
 m4-1.4.18-7.el8.x86_64 The GNU macro processor
 mailx-12.5-29.el8.x86_64       Enhanced implementation of the mailx command
 ncurses-compat-libs-6.1-9.20180224.el8.x86_64  Ncurses compatibility libraries
 patch-2.7.6-11.el8.x86_64      Utility for modifying/upgrading files
 redhat-lsb-core-4.1-47.el8.x86_64      LSB Core module support
 redhat-lsb-submod-security-4.1-47.el8.x86_64   LSB Security submodule support
 spax-1.5.3-13.el8.x86_64       Portable archive exchange
Proceed with changes? [N/y] y


 * Waiting in queue...
 * Waiting for authentication...
 * Waiting in queue...
 * Downloading packages...
 * Requesting data...
 * Testing changes...
 * Installing packages...
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 8.4.2105
Release:        8.4.2105
Codename:       n/a

[root@ss /]# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 8.4.2105
Release:        8.4.2105
Codename:       n/a