查版本號的命令：1、“cat /etc/issue”或“cat /etc/redhat-release”，可輸出centos版本號；2、“cat /proc/version”、“uname -a”或“uname -r”，可輸出內核版本號。

本教程操作環境：centos6.5系統、thinkpad t480電腦。

查看centos版本

cat /etc/issue

[root@localhost ~]# cat /etc/issue CentOS release 6.5 (Final) Kernel r on an m

cat /etc/redhat-release

[root@localhost ~]# cat /etc/redhat-release CentOS release 6.5 (Final)

查看內核linux版本

cat /proc/version

[root@localhost ~]# cat /proc/version Linux version 2.6.32-754.15.3.el6.x86_64 (mockbuild@x86-01.bsys.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-23) (GCC) ) #1 SMP Tue Jun 18 16:25:32 UTC 2019

uname -a

[root@localhost ~]# uname -a Linux localhost.localdomain 2.6.32-754.15.3.el6.x86_64 #1 SMP Tue Jun 18 16:25:32 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

uname -r

[root@localhost ~]# uname -r 2.6.32-754.15.3.el6.x86_64

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