What to do if Mac says disk is full?

What to do if Mac says disk is full? Since you're looking for completely free methods to address a "disk full" warning.

If you're comfortable typing a few commands, the Terminal is one of the most powerful free tools on your Mac. It lets you see exactly what's taking up space without clicking through folders. Think of it as a direct conversation with your computer's filing system.

Here are the most useful commands for your situation:

df -h - Shows an overview of your disk and how much free space is left:

Open Terminal (Finder > Utilities > Terminal). Type df -h and press Return. You'll see a list of your drives and how full they are.

du -sh * - Calculates the total size of all files and folders in your current location:

In Terminal, type cd ~/Desktop to navigate to your Desktop, then du -sh *. It will list every item on your Desktop with its size. You can use cd / to go to your main hard drive.

find . -type f -size +1G - Finds every file larger than 1 Gigabyte in your current directory and all folders inside it:

This is the most useful command. It helps you instantly locate the "space hogs" you might have forgotten about. You can change +1G to +500M for 500 Megabyte files.

The "Finder" Way: What to do if Mac says disk is full? If you prefer not to type, you can also use Finder's built-in search. Open a new Finder window, press Command + F, then click the dropdown that says "Kind" and change it to "Size." You can then select "is greater than" and enter a file size, like "1 GB," to see all large files on your Mac.