如何查询centos查看系统内核版本,系统版本,32位还是64位
一、查看centos内核的版本：1)# cat /proc/versionLinux version 2.6.18-194.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Fri Apr 2 14:58:14 EDT 20102)# uname -a Linux localhost.localdomain 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux3)# uname -r 2.6.18-194.el5二、查看linux版本：1) 列出所有版本信息,# lsb_release -aLSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.5 (Final)Release: 5.5Codename: Final注:这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。2) 执行cat /etc/issue,例如如下:# cat /etc/issueCentOS release 5.5 (Final)Kernel r on an m3) 执行cat /etc/redhat-release ,例如如下:# cat /etc/redhat-releaseCentOS release 5.5 (Final)三、查看系统是64位还是32位:1) getconf LONG_BIT or getconf WORD_BIT# getconf LONG_BIT642) file /bin/ls# file /bin/ls/bin/ls: 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, stripped3) lsb_release-a# lsb_release -aLSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.5 (Final)Release: 5.5Codename: Final
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