Apple PowerBook (500 Series) - Manual (Page 50)

Hiding and showing windows on the desktop
You can hide all windows except those of the active program by choosing
Hide Others from the Application menu.
The other programs remain open even though their windows are hidden.
When you switch to another program, its windows become visible again.
If you want to see all the open windows, choose Show All from the
Application menu.
Backing up your files
Making backup copies of important files is good protection against possible
damage to the originals.
m You can back up files stored on your hard disk by copying them onto
floppy disks.
m You can back up an entire floppy disk by copying it to another floppy disk,
or to a hard disk.
m You can use a commercial backup program to copy new and changed files
from a hard disk to another hard disk, to a tape drive, or to a series of
floppy disks.
m If your computer is on a network, you can back up files by copying them to
a shared disk on the network.
m You can back up files by copying them from one computer to the other
using SCSI disk mode. (See “Using Your PowerBook as a SCSI Disk” in
Chapter 3 for more information on SCSI disk mode.)
43 Installing and Using Application Programs