013-the-uname-command.md

The uname command

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

Examples

1. Print out all system information

uname -a

2. Print out the kernel version

uname -v

Syntax:

uname [OPTION]

Additional Flags and their Functionalities

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