Mac Mini HDD is full: How do I find files to delete?

[MacNoobGuy]

Hi all, my Mac Mini's internal HDD is full and I'm having trouble finding large files to delete. I don't want to download any 3rd party apps to help me. I only want to use utilities that are built into OSX.

Thank you!

 

[maflynn]

Download and use OmniDiskSweeper. It will provide a sorted list of what's consuming your space.

 

[xlii]

from the terminal window:

du - a | sort -n -r

If you want to know what it does before you try type:

man du

man sort