Kreisen 3 8 6 X / X E - Manual (Page 58)

Stopping a Command or Program
You may sometimes need to stop a command or program while
it is running. Many application programs provide a command
you can use to stop or even cancel (undo) an operation. If you
have entered an MS-DOS command that you want to stop, try
one of the following commands:
Hold down the Ctrl key and press C
Hold down the Ctrl key and press Break
These methods may also work in your application program.
If you cannot stop a particular operation, however, you may
need to reset the computer, as described in the following
section.
Caution
It is best not to run off the computer to stop a program or
command. If you have created new data that you have not
yet stored, it will be erased if you turn off the computer.
Your computer stores data in its memory until you save it;
but the memory area is erased each time you turn off or
reset the computer.
Using Disks and Disk Drives
The disk drives in your computer allow you to store data on
disk and retrieve it when you want it.
This section explains how disks work and tells you how to do
the following:
Choose diskettes
Using Your Computer 3-5