Temporary files; programs generate in the background. Can usually be safely deleted.

Settings that control whether a user can view, edit, or execute a particular file.

A small file that just points to another file, folder, or program. Handy for quick access.

Program files your OS needs to function. Best not to tinker with these.

Encoding data to take up less space. ZIP and RAR are common compressed formats.

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.

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

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