Uname command – displays system information

uname The full English name of the order is “Unix name”.

Used to display system related information , For example, host name 、 Kernel version number 、 Hardware architecture, etc .

If no options are specified , The effect is equivalent to executing ”uname -s” command , The name of the system kernel is displayed .

Grammar format ：uname [ Parameters ]

Common parameters ：

-a	Display all relevant information of the system
-m	Display computer hardware architecture
-n	Show host name
-r	Display the kernel release number
-s	Show kernel name
-v	Show kernel version
-p	Show host processor type
-o	Show operating system name
-i	Display hardware platform

Reference examples

Displays the system hostname 、 Kernel version number 、CPU Type information ：

[[email protected] ~]# uname -a
Linux ProdDockerSvr 4.4.0-204-generic #236-Ubuntu SMP Fri Feb 19 16:11:27 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Display only the system hostname ：

[[email protected] ~]# uname -n
ProdDockerSvr

Displays the kernel version of the current system :

[[email protected] ~]# uname -r
4.4.0-204-generic

Displays the hardware architecture of the current system ：

[[email protected] ~]# uname -i
x86_64