Computer Keyboard shortcut functions


Here we will discuss about the Computer Keyboard shortcut functions which will save your lot of time and energy.

Keyboard functions

A typical keyboard has one hundred and two keys. Keys on a typical keyboard are categorized into 3 parts:

  1. Alphabetical keys (a-z)
  2. Numerical keys(1-0) and s
  • Special keys (Function, Ctrl, Alt, Enter, Caps lock, Tab, etc. keys).

The keyboard mapping on the Mac computers is almost indistinguishable to PC keyboards, but there is a slight difference in the working function of special keys – Ctrl and Alt and instead of Windows key,   Mac keyboard has Fn and Cmd keys.

 Functions of different keys of a keyboard

Ctrl: Control key is abbreviated as Ctrl. It is a modifier key and performs special functions in combination with other keys. Among so many uses of control key the most common uses are listed below:

SI. No Key combination                     Function
1. Ctrl+A Selecting all data
2. Ctrl+B Bolding the selected data
3. Ctrl+C Copying chosen data in the memory
4. Ctrl+D Clearing all data
5. Ctrl+N Opening new text window
6. Ctrl+O Opening new file
7. Ctrl+P Print
8. Ctrl+S Save file
9. Ctrl+V Paste
10. Ctrl+X Cut
11. Ctrl+Y Redo
12. Ctrl+Z Undo


Alt: Like the Ctrl key Alt is also a modifier key used in combination with other keys. Common use of this key is written in the list below:


SI. NO. Key combination      Function
1. Ctrl+Alt+Delete Brings up a task manager in several operating systems
2. Alt+F4 Brings up a dialogue box for shutdown, restart or sleep your laptop on most windows systems
3. Alt+Tab Switches between the currently opened windows


Besides the uses of Alt key written above, this key also offers some shortcuts to bookmark functions. These bookmark shortcut functions are written in the list below:

SI.NO Key combination Function
1. Alt+A Toggle
2. Alt+B Next
3. Alt+D Delete note


Alt Gr: Alt Gr (Alternative graphics) key is used as a Substitution of  Ctrl+Alt. Some typical use of Alt Gr is written below:

AltGr + C               © (copyright sign)

AltGr + Shift + C              ¢ (cent sign)


Shift: Shift key is used to capitalize letters and to write the special characters that are above the numerical keys, among others.                                       .

Caps lock: If you want to write all of the letters in the capital form, then you can use Caps lock. All of the letters will be in the capital form by pressing the caps lock only once. So, if you use this key, you don’t have to press the shift key again and again.

Tab: The tabulator key is mainly used in word processing; every time you press on the tab key, the cursor moves to the next tab stop on the same row.

Backspace: Backspace is used to remove the characters to the left of the  cursor.

Enter: Enter is used to change paragraphs.

Esc (Escape): Esc key is used to close a window menu.

Home and End: Home and End keys are used to bring the cursor to the top or the bottom of the line.
Page Up and Page Down: Page up key is used to move the page up and page down key is used to move the key down.

Insert: Insert key is used to replace the text to the right of the cursor.
Delete: Delete key is used to delete the text or character to the right of the cursor.

Arrow keys: Arrow keys are mostly used to move the cursor according to the direction of the arrows.

Print screen key: By pressing (Alt+PrintScreen) keys simultaneously you can take a picture of your current activated window.

Scroll Lock key: Scroll Lock key lets you lock the scrolling of your display.

Number Lock key: Number lock key is abbreviated as Num Lock key.  Turning on Num Lock key permits you to use the numbers on the keypad and turning off the Num Lock allows the keys for performing other functions such as using the keypad as an arrow pad.

Here is a list below showing the function of number pad when the num lock is activated and when it is deactivated.

Numbers on number pad Num lock activated Num lock deactivated
             0 0 Ins
             1 1 End
             2 2 Down arrow
             3 3 PgDn
             4 4 Left arrow
             5 5 Nothing
             6 6 Right arrow
             7 7 Home
             8 8 Up arrow
             9 9 PgUp
             . . Del


Pause Key: During start up, pause key is used to stop the loading of the system.

Moreover, there is an additional type of keys in your keyboard just above the alphabetical keys from F1 through F12. These keys are called function keys. Function keys have a variety of uses which will be discussed in the next part.


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