Ubuntu is a popular, open source, user-friendly Linux distribution based on Debian which is widely used for both desktop and server environments, known for its stability, regular updates, and ease of use. An operating system kernel first released on September 17, 1991, by Linus Torvalds.

How to Check Ubuntu Version Command Line

To check your Ubuntu version, you can use one of the following commands in the terminal.

• Using the lsb_release command:
  lsb_release -a
  
  
• Using the /etc/os-release file:
  cat /etc/os-release
  
  
• Using the hostnamectl command:
  hostnamectl

All of these commands will display details about your Ubuntu version.