Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
If you have been using Ubuntu for a while, you probably know that after 30 boots Ubuntu runs a check on the hard disk. This “Fsck” check slows down booting a lot. AutoFsck runs the check on shutdown instead, and asks you if it is a good time first. If the occasional slow boot is a problem for you, AutoFsck is perfect.
The disk check runs has always been fairly quick on my two desktops, so it does not bother me.