How to query CentOS version is 32-bit or 64-bit

Check to see if the system is 64-bit or 32-bit:

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1, getconf long_bit or getconf word_bit [Root@localhost ~]# getconf Long_bit 64

List all version information,

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[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

All right, other information about viewing the CentOS version, we can refer to the following methods

The following commands are available to view:

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# 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

This command applies to all Linux, including Redhat, SuSE, Debian and other distributions.

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Root@mymail ~ # uname Linux Root@mymail ~ # Uname-r 2.6.18-164.el5

The following two methods apply to Redhat,centos

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Root@mymail ~ # Cat/etc/redhat-release CentOS Release 5.4 (Final)

Log on to Linux execution rpm-q redhat-release

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#rpm-Q Redhat-release

or CentOS

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Root@mymail ~ # rpm-q Centos-release Centos-release-5-4.el5.centos.1

You can also view the release number by using the uname command

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[root@www ~]# Uname-r 2.6.18-92.el5   [root@www ~]# uname-a Linux www 2.6.18-92.el5 #1 SMP Tue June 18:49:47 ED T 2008 i686 Athlon i386 Gnu/linux