https://bytesweep.app/blog/index.html Where disk space actually goes on macOS and Linux, and what is safe to delete. en https://bytesweep.app/blog/mac-startup-disk-full.html https://bytesweep.app/blog/mac-startup-disk-full.html Mon, 21 Sep 2026 09:00:00 GMT The macOS warning appears at about 5 GB free, which is late. Here is the order to work in, the four folders that are usually the whole answer, and what to do if the disk is already too full to delete anything.