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This article introduces the relevant knowledge of "where to view the CentOS version information". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

There are the following commands to view:

# 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, Centos, and other distributions.

Root@MyMail ~ # uname

Linux

Root@MyMail ~ # uname-r

2.6.18-164.el5

[root@localhost] # uname-a

Linux localhost.localdomain 2.6.18-194.el5 # 1 SMP Fri Apr 2 14:58:35 EDT 2010 i686 i686 i386 GNU/Linux

The following two methods are suitable for RedHat,CentOS

Root@MyMail ~ # cat / etc/redhat-release

CentOS release 5.4 (Final)

Log in to linux to execute rpm-Q redhat-release

# rpm-Q redhat-release

Or CentOS

Root@MyMail ~ # rpm-Q centos-release

Centos-release-5-4.el5.centos.1

Current centos version corresponds to redhat version of the command

# cat / proc/version

Linux version 2.6.9-78.ELsmp (mockbuild@builder16.centos.org) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) # 1 SMP Fri Jul 25 00:04:28 EDT 2008

Methods:

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 GNU/Linux

3)

[root@localhost ~] # uname-r

2.6.18-194.el5

two。 View the linux version:

1) list all version information

[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

Note: this command applies to all linux, including RedHat, SUSE, Debian and other distributions.

2) execute cat / etc/issue, for example:

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

CentOS release 5.5 (Final)

Kernel r on an m

3) execute cat / etc/redhat-release, for example:

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

CentOS release 5.5 (Final)

Check whether the system is 64-bit or 32-bit:

1 、 getconf LONG_BIT or getconf WORD_BIT

[root@localhost ~] # getconf LONG_BIT

sixty-four

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

4. Or use the method of viewing the file.

Vim / ect/issue

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