Uses of Function Keys (Part one)

Commonly known as "function keys", F1 through F12 may have a variety of different uses or no use at all. Depending on the installed operating system and the software program currently open will change how each of these keys operate. A program is capable of not only using each of the function keys, but also combining the function keys with the ALT or CTRL key, for example, Microsoft Windows users can press ALT + F4 to close the program currently active.

  F1 :

1. Almost always used as the help key, almost every program will open the help screen when this key is pressed.
2. Enter CMOS Setup.
3. Windows Key + F1 would open the Microsoft Windows help and support center.
4. Open the Task Pane.

  F2 :

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

F3  :

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

F4 : 

1. Open find window in Windows 95 to XP.
2. Open the address bar in Windows Explorer and Internet Explorer.
3. Repeat the last action performed (Word 2000+)
4. Alt + F4 will close the program window currently active in Microsoft Windows.
5. Ctrl + F4 will close the open window within the current active window in Microsoft Windows.