View CentOS version information

View CentOS version information

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-

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. view the linux version:

1) list all version information,

[Root @ localhost ~] # Lsb_release-

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 releases, including Redhat, SuSE, and Debian.

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

[Root @ localhost ~] # Cat/etc/issue

CentOS release 5.5 (Final)

Kernel r on an m

3) Run 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

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-

[Root @ localhost ~] # Lsb_release-

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. You can also view the file.

Vim/ect/issue