在 Linux 中，有多种方法可以查看系统的版本信息。
uname 命令
huey@huey-K42JE:~$ uname -a
Linux huey-K42JE 3.5.0-43-generic #66~precise1-Ubuntu SMP Thu Oct 24 14:55:08 UTC 2013 i686 i686 i386 GNU/Linux
lsb_release 命令
huey@huey-K42JE:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.3 LTS
Release: 12.04
Codename: precise
查看 /proc/version 文件
huey@huey-K42JE:~$ cat /proc/version
Linux version 3.5.0-43-generic (buildd@akateko) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #66~precise1-Ubuntu SMP Thu Oct 24 14:55:08 UTC 2013
查看 /etc/issue 文件
huey@huey-K42JE:~$ cat /etc/issue
Ubuntu 12.04.3 LTS \n \l