版本查询

输入"cat /proc/version",说明正在运行的内核版本。

[root@unclekn ~]# cat /proc/version
Linux version 3.10.0-514.26.2.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Tue Jul 4 15:04:05 UTC 2017

输入"cat /etc/issue", 显示的是发行版本信息。

[root@unclekn ~]# cat /etc/issue
\S
Kernel \r on an \m

输入"lsb_release -a ",可对多个linux版本适用。

[root@unclekn ~]# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.3.1611 (Core) 
Release:        7.3.1611
Codename:       Core

输入"uname -a ",可显示电脑以及操作系统的相关信息。

[root@unclekn ~]# uname -a
Linux unclekn 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[root@unclekn ~]# uname -r
3.10.0-514.26.2.el7.x86_64