Keyboard shortcut is a sequence or combination of keystrokes on a computer keyboard which invokes commands in software. Some keyboard shortcuts require the user to press a single key or a sequence of keys one after the other. Other keyboard shortcuts require pressing and holding several keys simultaneously. Keyboard shortcuts may depend on the keyboard layout.

Keyboard shortcuts are a common aspect of most modern operating systems and associated software applications. Their use is pervasive enough that some users consider them an essential element of their routine interactions with a computer. Whether used as a matter of personal preference or for adaptive technology.

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There are various types of Keyboard shortcuts, so i have grouped them under the following Categories:

1. The General Shortcuts

1. →CTRL + C =Copy
2. →CTRL + X = Cut
3. →CTRL + V = Paste
4. →CTRL + Z = Undo
5. →Delete = Delete
6. →Shift + Delete = Delete the selected item permanently without placing the item in the Recycle Bin
7. →CTRL while dragging an item = Copy the selected item
8. →CTRL + Shift while dragging an item = Create a shortcut to the selected item
9. →F2 key = Rename the selected item
10. →CTRL + RIGHT ARROW =Move the insertion point to the beginning of the next word
11. →CTRL + LEFT ARROW = Move the insertion point to the beginning of the previous word
12. →CTRL + DOWN ARROW = Move the insertion point to the beginning of the next paragraph
13. →CTRL + UP ARROW = Move the insertion point to the beginning of the previous paragraph
14. →CTRL + Shift with any of the arrow keys =Highlight a block of text
15. →Shift with any of the arrow keys = Select more than one item in a window or on the desktop, or select text in  a document
16. →CTRL + A = Select all
17. →F3 key = Search for a file or a folder
18. →Alt + Enter = View the properties for the selected item
19. →Alt + F4 = Close the active item, or quit the active program
20. →Alt + Enter = Display the properties of the selected object
21. →Alt + Spacebar = Open the shortcut menu for the active window
22. →CTRL + F4 = Close the active document in programs that enable you to have multiple documents open simultaneously
23. →Alt + Tab = Switch between the open items
24. →Alt + ESC =Cycle through items in the order that they had been opened
25. →F6 key = Cycle through the screen elements in a window or on the desktop
26. →F4 key = Display the Address bar list in My Computer or Windows Explorer
27. →Shift + F10 = Display the shortcut menu for the selected item
li>→Alt + Spacebar = Display the System menu for the active window
28. →CTRL + ESC = Display the Start menu
29. →Alt + Underlined letter in a menu name = Display the corresponding menu
30. →Underlined letter in a command name on an open menu = Perform the corresponding command
31. →F10 key = Activate the menu bar in the active program
32. →RIGHT ARROW = Open the next menu to the right, or open a submenu
33. →LEFT ARROW = Open the next menu to the left, or close a submenu
34. →F5 key = Update the active window
35. →Backspace = View the folder one level up in My Computer or Windows Explorer
36. →ESC = Cancel the current task
37. →Shift when you insert a CD-ROM into the CD-ROM drive = Prevent the CD-ROM from automatically playing.

2. Dialog Box Keyboard Shortcuts

1. →CTRL + Tab = Move forward through the tabs
2. →CTRL + Shift + Tab = Move backward through the tabs
3. →Tab = Move forward through the options
4. →Shift + Tab = Move backward through the options
5. →Alt + Underlined letter = Perform the corresponding command or select the corresponding option
6. →Enter = Perform the command for the active option or button
7. →Spacebar = Select or clear the check box if the active option is a check box
8. →Arrow keys =Select a button if the active option is a group of option buttons
9. →F1 key = Display Help
10. →F4 key = Display the items in the active list
11. →Backspace = Open a folder one level up if a folder is selected in the Save As or Open dialog box.

3. MMC Console Window Keyboard Shortcuts

1. →CTRL + P = Print the current page or active pane
2. →Alt + - = Display the window menu for the active console window
3. →Shift + F10 = Display the Action shortcut menu for the selected item
4. →F1 key = Open the Help topic, if any, for the selected item
5. →F5 key = Update the content of all console windows
6. →CTRL + F10 = Maximize the active console window
7. →CTRL + F5 = Restore the active console window
8. →Alt + Enter = Display the Properties dialog box, if any, for the selected item
9. →F2 key =Rename the selected item
10. →CTRL + F4 = Close the active console window. When a console has only one console window, this shortcut closes the console.

4. Remote Desktop Connection Navigation

1. →CTRL + Alt + END = Open the microsoft Windows NT Security dialog box
2. →Alt + PAGE UP = Switch between programs from left to right
3. →Alt + PAGE DOWN = Switch between programs from right to left
4. →Alt + INSERT = Cycle through the programs in most recently used order
5. →Alt + HOME = Display the Start menu
6. →CTRL + Alt + BREAK = Switch the client computer between a window and a full screen
7. →Alt + Delete = Display the Windows menu
8. →CTRL + Alt + - = Place a snapshot of the active window in the client on the Terminal server clipboard and provide the same functionality as pressing PRINT SCREEN on a local computer
9. →CTRL + Alt + + = Place a snapshot of the entire client window area on the Terminal server clipboard and provide the same functionality as pressing Alt + PRINT SCREEN on a local computer.

5. Accessibility Keyboard Shortcuts

1. →Right Shift for eight seconds =Switch Filter Keys either on or off
2. →Left Alt + left Shift + PRINT SCREEN = Switch High Contrast either on or off
3. →Left Alt + left Shift + NUM LOCK = Switch the Mouse Keys either on or off
li>→Shift five times = Switch the Sticky Keys either on or off li>→NUM LOCK for five seconds = Switch the Toggle Keys either on or off
4. →Win + U = Open Utility Manager

6. Microsoft Natural Keyboard Shortcuts

1. →Win = Display or hide the Start menu
2. →Win + BREAK = Display the System Properties dialog box
3. →Win + D = Display the desktop
4. →Win + M = Minimize all of the windows
5. →Win + Shift + M =Restore the minimized windows
6. →Win + E =Open My Computer
7. →Win + F =Search for a file or a folder
8. →CTRL + Win + F = Search for computers
9. →Win + F1 = Display Windows Help
10. →Win + L = Lock the keyboard
11. →Win + R = Open the Run dialog box
12. →Win + U = Open Utility Manager

7. Microsoft Management Console (MMC) Main Keyboard Shortcuts

1. →CTRL + O =Open a saved console
2. →CTRL + N = Open a new console
3. →CTRL + S = Save the open console
4. →CTRL + M = Add or remove a console item
5. →CTRL + W = Close window/tab
6. →F5 key =Update the content of all console windows
7. →Alt + Spacebar = Display the MMC window menu
8. →Alt + F4 = Close the console
9. →Alt + A = Display the Action menu
10. →Alt + V = Display the View menu
11. →Alt + F = Display the File menu
12. →Alt + O = Display the Favorites menu.

8. Windows Explorer Keyboard Shortcuts

1. →END = Display the bottom of the active window
2. →HOME = Display the top of the active window
3. →NUM LOCK + * = Display all of the subfolders that are under the selected folder
4. →NUM LOCK + + = Display the contents of the selected folder
5. →NUM LOCK + - = Collapse the selected folder
6. →LEFT ARROW = Collapse the current selection if it is expanded, or select the parent folder
7. →RIGHT ARROW = Display the current selection if it is collapsed, or select the first subfolder.

9. Shortcut Keys for Character Map

After you double-click a character on the grid of characters, you can move through the grid by using the keyboard shortcuts:

1. →RIGHT ARROW = Move to the right or to the beginning of the next line
2. →LEFT ARROW = Move to the left or to the end of the previous line
3. →UP ARROW = Move up one row
4. →DOWN ARROW = Move down one row
5. →PAGE UP = Move up one screen at a time
6. →PAGE DOWN = Move down one screen at a time
7. →HOME = Move to the beginning of the line
8. →END = Move to the end of the line
9. →CTRL + HOME = Move to the first character
10. →CTRL + END = Move to the last character
11. →Spacebar = Switch between Enlarged and Normal mode when a character is selected

10. Internet Explorer Navigation

1. →CTRL + B = Open the Organize Favorites dialog box
2. →CTRL + E = Open the Search bar
3. →CTRL + F = Start the Find utility
4. →CTRL + H = Open the History bar
5. →CTRL + I = Open the Favorites bar
6. →CTRL + L = Open the Open dialog box
7. →CTRL + N = Start another instance of the browser with the same Web address
8. →CTRL + O = Open the Open dialog box, the same as CTRL + L
9. →CTRL + P = Open the Print dialog box
10. →CTRL + R = Update the current Web page
11. →CTRL + W = Close the current window

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