Files configured not to show up in regular file browsers. Usually system files.

The part after the dot in a filename, like .jpg or .mp3, that tells you its format.

Having two separate OSes installed, with the ability to choose between them at startup.

The process of setting up a new program or hardware device on your computer.

Removes a program and its associated files from your computer. Helps free up space.

Patches a program with fixes and improvements. It’s wise to stay updated.

Installing a newer version of a program or swapping in a better hardware component.

Saves your system state to disk and shuts down. Uses zero power but, is slower to resume.

A low-power state that quickly resumes where you left off. Ideal for taking breaks.

Properly powers down the computer, saving data and closing programs first.