CentOS Linux Server Guide

CentOS Linux System Information - Obtaining System Information

uname

used to show information about kernel version, hardware, hostname and OS version

Synopsis

uname [option]

Option

Below are the common options used together with uname

options description

-a, --all print all the information below

-s, --kernel-name print the kernel name

-n, --nodename print the network node hostname

-r, --kernel-release print the kernel release

-i, --hardware-platform print the hardware platform

-o, --operating-system print the operating system

Example

# uname -n
centos4.example.local

# uname -s
Linux

# uname -r
2.6.9-42.ELsmp

# uname -i
i386

# uname -o
GNU/Linux

# uname -a
Linux centos4.example.local 2.6.9-42.ELsmp #1 SMP Sat Aug 12 09:39:11 CDT 2006 i686 i686 i386 GNU/Linux

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