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  • CentOS查看内核版本,位数,版本号

    1)[root@localhost ~]# cat /proc/version

    Linux 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 2010

    2)

    [root@localhost ~]# 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/Linux

    3)

    [root@localhost ~]# uname -r

    2.6.18-194.el5

    2. 查看linux版本:

    1) 列出所有版本信息,

    [root@localhost ~]# lsb_release -a

    LSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch

    Distributor ID: CentOS

    Description: CentOS release 5.5 (Final)

    Release: 5.5

    Codename: 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:

    [root@localhost ~]# cat /etc/issue

    CentOS release 5.5 (Final)

    Kernel r on an m

    3) 执行cat /etc/redhat-release ,例如如下:

    [root@localhost ~]# cat /etc/redhat-release

    CentOS release 5.5 (Final)

    查看系统是64位还是32位:

    1、getconf LONG_BIT or getconf WORD_BIT

    [root@localhost ~]# getconf LONG_BIT

    64

    2、file /bin/ls

    [root@localhost ~]# 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, stripped

    3、lsb_release -a

    [root@localhost ~]# lsb_release -a

    LSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch

    Distributor ID: CentOS

    Description: CentOS release 5.5 (Final)

    Release: 5.5

    Codename: Final

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  • 原文地址:https://www.cnblogs.com/kluan/p/4458333.html
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