一、查看内核

1、cat /proc/version
[root@localhost ~]# cat /proc/version
Linux version 2.6.18-308.el5 (mockbuild@x86-010.build.bos.redhat.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)) #1 SMP Fri Jan 27 17:21:15 EST 2012
2、uname -a
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-308.el5 #1 SMP Fri Jan 27 17:21:15 EST 2012 i686 i686 i386 GNU/Linux
3、uname -r
[root@localhost ~]# uname -r
2.6.18-308.el5
二、查看linux版本
1、lsb_release -a
[root@localhost ~]# lsb_release -a
LSB Version:    :core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch
Distributor ID: RedHatEnterpriseServer
Description:    Red Hat Enterprise Linux Server release 5.8 (Tikanga)
Release:        5.8
Codename:       Tikanga
2、cat /etc/issue
[root@localhost ~]# cat /etc/issue
Red Hat Enterprise Linux Server release 5.8 (Tikanga)
Kernel \r on an \m
3、cat /etc/redhat-release
[root@localhost ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.8 (Tikanga)
三、查看系统位数
1、file /bin/ls
 
2、lsb_release -a

via.http://blog.sina.com.cn/s/blog_4b856bcb0101e42t.html