backtrack查看软件版本信息

查看ubuntu系统版本信息

方法一：cat /etc/issue
返回结果：Ubuntu 8.04.1 \n \l

方法二：cat /proc/version
返回结果：Linux version 2.6.24-21-generic (buildd@palmer) (gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)) #1 SMP Mon Aug 25 17:32:09 UTC 2008

方法三：uname -a
返回结果：Linux wwt-laptop 2.6.24-21-generic #1 SMP Mon Aug 25 17:32:09 UTC 2008 i686 GNU/Linux

方法四：lsb_release -a
返回结果：
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 8.04.1
Release:    8.04
Codename:    hardy

方法五：cat /etc/lsb-release
返回结果：
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"