All Keyboard Shortcuts of Windows 7 at one place.

Windows 7 have lots of keyboard shortcuts which can be used to make our daily task much easier, interactive, and efficiently saves our time & effort. Keyboard shortcut is nothing but just combinations of two or more keys. When the combination is pressed a task is performed which may require a mouse or other pointing device.

In general accelerator keys are used with menus and other commands to make the programs easier. Accelerator keys can be seen in case any letter in a menu is underlined which means if we press ALT key in combination with that underlined key will do the same job as clicking that menu item.
List of keyboard shortcuts of Windows 7 available are given below with their categories:
Ease of Access keyboard shortcuts
General keyboard shortcuts
Dialog box keyboard shortcuts
Windows logo key keyboard shortcuts
Windows Explorer keyboard shortcuts
Taskbar keyboard shortcuts
Magnifier keyboard shortcuts
Remote Desktop Connection keyboard shortcuts
Paint keyboard shortcuts
WordPad keyboard shortcuts
Calculator keyboard shortcuts
Windows Journal keyboard shortcuts
Windows Help viewer keyboard shortcuts
Courtesy: Microsoft