1. 查看linux版本

  sunny@ubuntu:~$cat /etc/issue

Ubuntu 11.04 \n \l

 

2. 查看内核版本

1) sunny@ubuntu:~$ cat /proc/version

Linux version 2.6.38-13-generic (buildd@rothera) (gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4) ) #57-Ubuntu SMP Mon Mar 5 18:10:14 UTC 2012

2)  uname命令

sunny@ubuntu:~$ uname -a

Linux ubuntu 2.6.38-13-generic #57-Ubuntu SMP Mon Mar 5 18:10:14 UTC 2012 i686 i686 i386 GNU/Linux

 

[ -------------------------------------------------------------------------------

  -a, --all                print all information, in the following order,       查看全部信息

                             except omit -p and -i if unknown:

  -s, --kernel-name        print the kernel name                               查看内核名字

  -n, --nodename           print the network node hostname

  -r, --kernel-release     print the kernel release                              查看内核发行版本

  -v, --kernel-version     print the kernel version                              查看内核版本

  -m, --machine            print the machine hardware name

  -p, --processor          print the processor type or "unknown"           

  -i, --hardware-platform  print the hardware platform or "unknown"

  -o, --operating-system   print the operating system                      查看操作系统

      --help     display this help and exit

      --version  output version information and exit

--------------------------------------------------------------------------------------]

 

3.查看系统位数

1) sunny@ubuntu:~$ getconf WORD_BIT

32

2)sunny@ubuntu:~$ file /bin/bash

/bin/bash: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.15, stripped

 

4. 查看gcc版本

sunny@ubuntu:~$ gcc --version

gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2