1. 查看內核版本linux
1)dpfl@ubuntu:~$ cat /proc/version
Linux version 3.5.0-23-generic (buildd@akateko) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #35~precise1-Ubuntu SMP Fri Jan 25 17:15:33 UTC 2013ubuntu
2)dpfl@ubuntu:~$ uname -a
Linux ubuntu 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:15:33 UTC 2013 i686 i686 i386 GNU/Linuxbash
3)dpfl@ubuntu:~$ uname -rui
3.5.0-23-genericspa
注:uname命令的詳細用法用「man uname」查看ip
2. 查看linux版本ci
1)dpfl@ubuntu:~$ lsb_release -ait
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.2 LTS
Release: 12.04
Codename: preciseio
注:這兩個命令適用於全部的linux,包括Redhat、SuSE、Debian等發行版table
2)dpfl@ubuntu:~$ cat /etc/issue
Ubuntu 12.04.2 LTS \n \l
3)dpfl@ubuntu:~$ file /bin/bash
/bin/bash: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0xf199a4a89ac968c2e0e99f2410600b9d7e995187, stripped
4)dpfl@ubuntu:~$ file /bin/cat
/bin/cat: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0x3bb5dd3596854569e41ffcddcc01e5a1228ec05d, stripped
下面是Redhat系統的查看linux的
5)$ cat /etc/redhat-release
這種方式下能夠直接看到具體的版本號,好比 AS4 Update 1
6)$ rpm -q redhat-release
能夠看到一個所謂的release號