Linux 硬件信息

 

http://blog.163.com/lideren_2008/blog/static/147057920117242123444/# lsb_release -a 

LSB Version:    :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch

Distributor ID: CentOS

Description:    CentOS release 5.4 (Final)

Release:        5.4

Codename:       Final

(查看当前操作系统发行版信息)

# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

 

8  Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz

(8个逻辑CPU, CPU型号)

# cat /proc/cpuinfo | grep physical | uniq -c

8 physical id     : 0

(说明实际上是一颗4核的CPU)

# getconf LONG_BIT

32

 

(说明当前CPU运行在32bit模式下, 但不代表CPU不支持64bit)

 

# cat /proc/cpuinfo | grep flags | grep ' lm ' | wc -l

 

4

 

(结果大于0, 说明支持64bit计算. lm指long mode, 支持lm则是64bit)

 

# free -m

(-g)   

m=>mb  g=>gb