i3exit:tldr:fe326

The command "i3exit lock" is specific to the i3 window manager, which is a highly configurable and lightweight window manager for X11.

When you run the command "i3exit lock", it triggers the lock functionality in i3 window manager. This command will lock your screen and require you to enter your password to unlock it. It essentially secures your desktop by preventing unauthorized access when you are away from your computer.

Locking your screen is important for maintaining privacy and security, especially in shared or public environments where others might have physical access to your computer. It helps to protect sensitive information and prevent unauthorized use of your computer.