查看Linux系统版本信息

查看内核版本

# cat /proc/version

Linux version 2.6.18-238.el5 (mockbuild@x86-012.build.bos.redhat.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)) #1 SMP Sun Dec 19 14:22:44 EST 2010

# uname -r

2.6.18-238.el5

# uname -a

Linux SOR_SYS.99bill.com 2.6.18-238.el5 #1 SMP Sun Dec 19 14:22:44 EST 2010 x86_64 x86_64 x86_64 GNU/Linux

查看linux版本

# lsb_release -a

LSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch

# cat /etc/issue

Red Hat Enterprise Linux Server release 5.6 (Tikanga)

Kernel \r on an \m

# cat /etc/redhat-release

Red Hat Enterprise Linux AS release 4 (Nahant Update 4)

# rpm -q redhat-release

redhat-release-5Server-5.6.0.3

# file /bin/bash

/bin/bash: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped

# file /bin/cat

/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped

# cat /proc/cpuinfo （Linux查看cpu相关信息，包括型号、主频、内核信息等）

其他命令

# getconf LONG_BIT （Linux查看版本说明当前CPU运行在32bit模式下， 但不代表CPU不支持64bit）

32

# arch

x86_64