Linux 查看系统版本

1.  ~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04

Codename: xenial

2. ~$ cat /etc/issue

Ubuntu 16.04.3 LTS \n \l

3.~$ cat /proc/version

Linux version 4.13.0-43-generic (buildd@lcy01-amd64-029) 

(gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9)) 

#48~16.04.1-Ubuntu SMP Thu May 17 12:56:46 UTC 2018

4. :~$ uname -a

Linux cheng-VirtualBox 4.13.0-43-generic #48~16.04.1-Ubuntu 

SMP Thu May 17 12:56:46 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux    //cpu 类型