"Your startup disk is full."
If you've ever gotten that error message on your Mac, you know what a headache
it can be. It can keep your Mac from running, at least until you've moved or
deleted enough files for it to work again. A utility called Disk Alarm can
help you head off disk space problems before you're in a crisis.
Running out of disk space can be a real drag. At worst it'll keep your Mac
from working at all; it can also cause the Mac to slow way down. Generally
speaking, it's always a wise idea to keep at least 10 percent of your boot
volume free at any given time, since OS X sometimes needs scratch space on the
disk for swap files and other content; more than that is good if you can
As we're increasingly working on Macs that use SSDs with more limited storage
space than the massive hard drives we had become accustomed to, running out of
space can be a real problem for many of us. Even on "big" drives used on
servers and media workstations, running out of space can be a ...