1.
System > About Ubuntu
2.
$ cat /etc/issue
result:
mochen@emerson:~$ cat /etc/issue
Ubuntu 10.04 LTS \n \l
3.
$ cat /etc/lsb-release
mochen@emerson:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.04
DISTRIB_CODENAME=lucid
DISTRIB_DESCRIPTION="Ubuntu 10.04 LTS"
4.
$ lsb_release -a
mochen@emerson:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.04 LTS
Release: 10.04
Codename: lucid
5.
mochen@emerson:~$ uname -a
Linux emerson 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686 GNU/Linux
http://blog.csdn.net/moc062066/article/details/6705063