The usage of the Linux basic command uname
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Uname
The uname instruction is used to display information about computer hardware and operating system, such as computer name, kernel version, and hardware architecture.
The scope of this command: RedHat, RHEL, Ubuntu, CentOS, Fedora, SUSE, openSUSE.
1. Grammar
Uname [options]
2. List of options
Option
Description
-a |-- all
Show all the information
-s |-- kernel-name
Show kernel name
-n |-- nodename
Show hostname
-r |-- kernel-release
Display the kernel hairstyle version number
-v |-- kernel-version
Show kernel version
-m |-- machine
Displays the name of the computer hardware architecture
-p |-- processor
Show cpu type
-I |-- hardware-platform
Display hardware platform
-o |-- operating-system
Show operating system
-- help
Display help information and exit
-- version
Display version information and exit
3. Examples
Display all information about the system
[root@localhost ntop-4.0.1] # uname-a / / display all information
Linux localhost.localdomain 2.6.32-431.el6.i686 # 1 SMP Fri Nov 22 00:26:36 UTC 2013 i686 i686 i386 GNU/Linux
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