Apple 190 series manual What is a disk image?, What you need

Models: 190 series

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What is a disk image?

A disk image is a discrete electronic representation of each individual installer disk. The Disk Images folder in the Floppy Disk Maker folder on your hard disk contains the disk images you need to creater installer disks for both your system software and the other software that comes on the hard disk. When you use Floppy Disk Maker, it copies the disk images onto floppy disks. When you are finished making a set of disks with Floppy Disk Maker, you’ll have a set of installer disks and will be able to reinstall the software that comes on your computer.

Note: You must use the Floppy Disk Maker program to create your installer disks. (Although you can copy the disk images onto floppy disks by dragging the files, you won’t be able to install the software from those disks because the disk images are compressed files.)

What you need

Just as you need paper to make copies of important documents, you need floppy disks to make copies of the information on your hard disk. You can probably buy the floppy disks at the same place you bought your computer.

Floppy disks come in a variety of sizes and capacities. The ones you need for backing up your hard disk are called high-density3.5-inch disks. You can recognize the disks by the way they look:

High-density disks

have two holes...

...and they have this symbol.

Even though these disks have a hard plastic casing, they are called “floppy disks” because the disk inside the casing is floppy.

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Apple 190 series manual What is a disk image?, What you need