If you are using Windows, following are some handy shortcut keys with their actions to make your life bit easy.
Key Combination | Action |
Windows Key + E | Opens Windows Explorer |
Windows Key + L | Locks Windows |
Windows Key + F | Open Search |
Windows Key + R | Open Run Window |
Windows Key + D | Minimise / Restore All Applications |
Windows Key + Space | Peek to Desktop |
Windows Key + Home | Minimise all Applications except the current Application |
Shift + F10 | Right Click |
Windows Key + Number Keys from 1 - 9 | Activate / Show Application on Taskbar. |
Windows Key + Right Arrow | Switch between different Application Layouts |
Windows Key + Down Arrow | Minimize an Application |
Windows Key + Up Arrow | Maximize Application |
Windows Key + Shift + Up Arrow | Fit Application height to screen height |
Windows Key + Shift + Right / Left Arrow | Move Applications among the connected Displays when having multiple displays. |
In an Application Alt + F4 | Closes the Application |
At Desktop Alt + F4 | Brings Shutdown Window |
I did find these in Windows 7, but have not yet tested on other versions of Windows.