Key functions (continued)

Key

Purpose

Atl

 

Works with other keys to enter alternate

 

 

character codes or functions.

 

 

 

Backspace

Moves the cursor back one space, deleting

 

 

the character to the left of the cursor.

 

 

 

8

Enter

Ends a line of keyboard input or executes a

 

 

command.

 

 

Insert (Ins)

Turns the Insert function on and off.

 

 

Delete (Del)

Deletes the character marked by the cursor.

 

 

Home, End

Control cursor location.

Page UP PgUp)

 

Page Down (PgDn)

 

“ ” ‘ ’

 

 

 

Num Lock

Changes the function of the numeric/cursor

 

 

keys from entering numbers to positioning the

 

 

cursor; changes back when pressed again.

 

 

ESC

Cancels the current command line or

 

 

operation.

 

 

Fl-F12

Perform special functions within application

 

 

programs.

 

 

Print Screen

Prints the screen display on a line printer.

 

 

SYS Rq

Generates the System Request function in

 

 

some application programs (used with Alt).

 

 

Scroll Lock

Controls scrolling in some applications.

 

 

Pause

Suspends the current operation.

 

 

Break

Terminates the current operation (when used

 

 

with Ctrl).

 

 

 

The Caps Lock, Num Lock, and Scroll Lock keys work as toggles; press the key once to turn on a function and again to turn it off. When the function is enabled, the corresponding light in the upper right comer of the keyboard is on.

Using Your Computer

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