Commodore PC 40 - Hard Disks

112 MS-DOS User's Guide
About hard disks
H a disk does not have a write-protect notch, it is always write-
protected. Many application programs, including this version
of
MS-DOS, come on write-protected disks that protect the files from
being destroyed accidentally.
Hard Disks
In addition to floppy disks, some computers use a hard disk,
which can store much more information than a floppy disk. Com-
puters also take less time to find information stored on a hard disk
than
un a floppy disk. A hard disk is usually built into the com-
puter. Such a system might look like this:
Hard disk drive
When you store application programs, including MS-DOS, on your
hard disk, you should keep a backup copy of the programs on a
floppy disk in case
the information on the hard disk is accidentally
damaged
or destroyed. (For more information about making a
backup copy
of your MS-DOS disk see Chapter 3, "Getting Started.")
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