Linux Viewing operating System Information

Linux Viewing operating System Information

uname command

The uname command is available for most Unix and Unix-like systems as well as Linux.

Function Description: Uname is used to obtain information about the computer and the operating system.

Syntax: uname [-amnrsvpio][--help][--version]

Supplemental Note: uname can display basic information such as the version of the operating system used by the Linux host, the name of the hardware.

Parameters

-A or –all verbose output all information, followed by kernel name, hostname, kernel version number, kernel version, hardware name, processor type, hardware platform type, operating system name

-M or –machine displays the hardware (CPU) name of the host

-N or-nodename displays the name or host name of the host on the network node

-R or –release display Linux OS kernel version number

-S or –sysname displays the Linux kernel name

-V shows the operating system is the first version

-P display processor type or unknown

-I display hardware platform type or unknown

-O Display Operating system name

Help Get Help information

–version Display uname version information

[Email protected] opt]# uname-alinux 121.199.16.178 2.6.32-279.el6.x86_64 #1 SMP Fri June 12:19:21 UTC + x86_64 x86 _64 x86_64 Gnu/linux

Cat/etc/issue

[Email protected] ~]# Cat/etc/issuecentos release 6.3 (Final) Kernel \ r on an \m

The/etc/issue file is actually what is displayed when the system starts. You can add your own content inside.

Cat/etc/redhat-release (useful for Redhat)

[Email protected] ~]# Cat/etc/redhat-releasecentos release 6.3 (Final)

Linux Viewing operating System Information