Define control key:-In computing, a Control key is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl + C); similar to the Shift key, the Control key rarely performs any function when pressed by itself. The Control key is located on or near the bottom left side of most keyboards (in accordance with the international standard ISO/IEC 9995-2, with many featuring an additional one at the bottom right.
Some of example of control key :-
Key combination
|
Microsoft Windows/KDE/GNOME
|
Ctrl + A
|
Select all
|
Ctrl + B
|
Bold
|
Ctrl + C
|
Copy
|
Ctrl + D
|
Font window (word
processing); Add to bookmarks
|
Ctrl + E
|
Center alignment
(word processing)
|
Ctrl + F
|
Find (usually a
small piece of text in a larger document)
|
Ctrl + G
|
Go to (line number)
|
Ctrl + H
|
Replace; History
|
Ctrl + I
|
Italic; Incremental
search
|
Ctrl + J
|
Justify
|
Ctrl + K
|
Insert hyperlink
(word processing)
|
Ctrl + L
|
Create list; Left
align (word processing)
|
Ctrl + M
|
Increase margin by
1/2 inch (word processing)
|
Ctrl + N
|
New (window,
document, etc.)
|
Ctrl + O
|
Open
|
Ctrl + P
|
Print
|
Ctrl + Q
|
Quit application
|
Ctrl + R
|
Refresh page; Right
align (word processing)
|
Ctrl + S
|
Save
|
Ctrl + T
|
Open new tab
|
Ctrl +U
|
Underline
|
Ctrl + V
|
Paste
|
Ctrl + W
|
Close window or tab
|
Ctrl + X
|
Cut
|
Ctrl + Y
|
|
Ctrl + Z
|
Undo
|
Ctrl + shift + Z
|
Redo
|
Ctrl + [
|
Decrease font size
|
Ctrl + ]
|
Increase font size
|
Ctrl + =
|
Toggle font
subscript
|
Ctrl + shift + =
|
Toggle font
superscript
|
Ctrl + End
|
Bottom (end of
document or window)
|
Ctrl + Home
|
Top (start of
document or window)
|
Ctrl + Insert
|
Copy
|
Ctrl + Page down
|
Next tab
|
Ctrl + Page up
|
Previous tab
|
Ctrl + Tab
|
Next window or tab
|
Ctrl + Shift + Tab
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Previous window or tab
|
Ctrl + left arrow
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Previous word
|
Ctrl + right arrow
|
Next word
|
Ctrl + Delete
|
Delete next word
|
Ctrl + Backspace
|
Delete previous word
|
Ctrl + Alt +
Backspace
|
Restart X11
|
Ctrl + Alt + Up
arrow
|
Rotate screen
right-side up
|
Ctrl + Alt + Down
arrow
|
Rotate screen upside
down
|
Ctrl + Alt + Left
arrow
|
Rotate screen left
|
Ctrl + Alt + Right
arrow
|
Rotate screen right
|
Ctrl + Shift + Esc
|
Open task manager
|
Ctrl + Alt + Delete
|
Reboot; Open task
manager or session options
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