如何查看ubuntu版本是64位还是32位的：
1.# uname -a
如果有x86_64就是64位的，没有就是32位的
2.# uname -m
x86_64
3.# arch
x86_6
如何查看ubuntu版本号：
1. # lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
Codename: precise
2. # cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
如果有x86_64就是64位的，没有就是32位的
2.# uname -m
x86_64
3.# arch
x86_6
如何查看ubuntu版本号：
1. # lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
Codename: precise
2. # cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"