Press to turn Num Lock (and its indicator light) on and off. When you press the key in Num Lock mode, you enter the numeric character instead of the letter. You can press plus the key to enter the alphabetic character on the key; press plus the key to enter the alphabetic character in uppercase.

When Num Lock is off,

you can generate the numeric character

by pressing

plus the key.

Stopping a Command or Program

You may sometimes need to stop a command or program while it is running. Many programs provide a command you can use to cancel or even undo an operation. If you have entered an MS-DOS command that you want to stop, try one of the following commands:

Hold down and press

Hold down

and press

These methods may also work in your application program. If not, you may need to reset the computer, as described below.

Caution

It is best not to turn off the computer to stop a program or command. If you have created new data and have not yet stored it, it will be erased if you turn off the computer.

3-8 Using Your Computer