The uname command

The uname command lets you print out system information and defaults to outputting the kernel name.

[root@academy /]# uname
Linux
[root@academy /]# uname -a
Linux academy 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
[root@academy /]# uname -s
Linux
[root@academy /]# uname -n
academy
[root@academy /]# uname -r
3.10.0-1160.el7.x86_64
[root@academy /]# uname -v
#1 SMP Mon Oct 19 16:18:59 UTC 2020
[root@academy /]# uname -m
x86_64
[root@academy /]# uname -p
x86_64
[root@academy /]# uname -i
x86_64
[root@academy /]# uname -o
GNU/Linux
[root@academy /]#

Options

Short Flag	Long Flag	Description
-a	--all	Print all information, except omit processor and hardware platform if unknown.
-s	--kernel-name	Print the kernel name.
-n	--nodename	Print the network node hostname.
-r	--kernel-release	Print the kernel release.
-v	--kernel-version	Print the kernel version.
-m	--machine	Print the machine hardware name.
-p	--processor	Print the processor type (non-portable).
-i	--hardware-platform	Print the hardware platform (non-portable).
-o	--operating-system	Print the operating system.