How to view Linux versions

One view Linux kernel version

1) cat/proc/version

[Email protected]:~$ cat/proc/version
Linux version 3.16.0-23-generic ([email protected]) (GCC version 4.9.1 (Ubuntu 4.9.1-16ubuntu6)) #31-ubuntu SMP Tue Oct 2 1 18:00:35 UTC 2014

2) uname-a

[Email protected]:~$ uname-a
Linux ubuntu 3.16.0-23-generic #31-ubuntu SMP Tue Oct 18:00:35 UTC i686 i686 i686 gnu/linux

3) Uname-r

[Email protected]:~$ uname-r
3.16.0-23-generic

Two view Linux versions

1) lsb_release-a

[Email protected]:~$ lsb_release-a
No LSB modules is available.
Distributor Id:ubuntu
Description:ubuntu 14.10
release:14.10
Codename:utopic

Note: The Lsb_release-a command applies to all Linux systems, including Redhat, SuSE, Debian, and other distributions.

2) Cat/etc/issue

[Email protected]:~$ cat/etc/issue
Ubuntu 14.10 \ \l

Resources

http://blog.csdn.net/zhuying_linux/article/details/6859286

Http://jingyan.baidu.com/article/ff4116259b127c12e48237a1.html

How to view Linux versions