Function Keys in Computer

Function key shortcuts
Each function key has its certain function.

F1

 Always used as the help key, almost every program will open the help screen when this key is pressed.
Displa edit mode.edit mode text can be typed on the whole screen.
Enter CMOS Setup.
Windows Key + F1 would open the Microsoft Windows help and support center.
Open the Task Pane.

F2.
In Windows renames a highlighted icon, file or folder
in all versions of Windows.
Alt + Ctrl + F2 opens document window in Microsoft Word.
Ctrl + F2 display the print preview window in Microsoft Word.
Quickly rename a selected file or folder.
Enter CMOS Setup.

F3

opens a search feature for many programs .
Turns the whole screen in the text mode.
In MS-DOS or Windows command line F3 will repeat the last command.
Shift + F3 will change the text in Microsoft Word from upper to lower case or a capital letter at the beginning of every word.
Windows Key + F3 opens the Advanced find window in Microsoft Outlook.
Open Mission Control on an Apple computer running Mac OS X.

F4

Open find window in Windows 95 to XP.
Turns the entire screen into graphic mode.
Open the address bar in Windows Explorer and Internet Explorer.
Repeat the last action performed (Word 2000+)
Alt + F4 will close the program window currently active in Microsoft Windows.
Ctrl + F4 will close the open window within the current active window in Microsoft Windows.

F5

In all modern Internet browsers pressing F5 will refresh or reload the page or document window.
Open the find, replace, and go to window in Microsoft Word.
Repeats the insertion of the last command use.
Starts a slideshow in PowerPoint.

F6

Move the cursor to the Address bar in Internet Explorer, Mozilla Firefox, and most other Internet browsers.
It clear the written text in ext screen.It display a message to confirm whether the text is to be cleared or not.
Ctrl + Shift + F6 open to another open Microsoft Word document.

F7

Commonly used to spell check and grammar check a document in Microsoft programs such as Microsoft Word, Outlook, etc.
Used to load the existing picture file with the extension .PIC.
Shift + F7 runs a Thesaurus check on the word highlighted.
Turns on Caret browsing in Mozilla Firefox.

F8

Save the opened file with the specified file name and extension .PIC.
Function key used to enter the Windows startup menu, commonly used to access Windows Safe Mode.

Opens the Measurements toolbar in Quark 5.0.

Load the existing file with specified name.

With Mac OS 10.3 or later shows all open Windows

F9

Using the Fn key and F9 at the same time will open Mission Control on an Apple computer running Mac OS X.

.F10

In Microsoft Windows activates the menu bar of an open application.
Shift + F10 are the same as right-clicking on a highlighted icon, file, or Internet link.
Access the hidden recovery partition on HP and Sony computers.
Used to save the opened file with the specified file name by adding an extension .LGO automatically to the file name.
Enter CMOS Setup.
With Mac OS 10.3 or later shows all open Windows for active program.

F11

Full-screen mode in all modern Internet browsers.
Ctrl + F11 as computer is starting to access the hidden recovery partition on many Dell computers.
Access the hidden recovery partition on eMachines, Gateway, and Lenovo computers.
With Mac OS 10.4 or later hides all open windows and shows the Desktop.

F12

Open the Save as window in Microsoft Word.
Shift + F12 save the Microsoft Word document.
Ctrl + Shift + F12 print a document in Microsoft Word.
Preview a page in Microsoft Expression Web
Open Firebug.
With an Apple running Mac OS 10.4 or later F12 will show or hides the Dashboard