Hours of computer time fingers are kept on the keyboard and mouse only from morning to evening. But, you probably will not know that after knowing the few keyboard shortcuts, your work will be very easy
If you have to keep a lot of tabs open on the desktop, with the help of Alt + Tab you can easily switch between any of those items.
Sometimes the system hangs because of multiple programs running together, in which case you can use the Ctrl + Shift + Esc shortcut to directly access the task manager to manage all the programs
Shift + Delete button can be used to delete a permanent sent to a folder without recycling bean.
If you are leaving your system at the office or in a public place, you must lock your system with Window + L.
It is better to manually close each document manually through the mouse so that you can close any document open on the Alt + F4 click screen on the keyboard.
To undo any command, Ctrl + Z and Ctrl + Y can be used to redo.
You can also find the shortcut keys to their most popular program by looking for underlined letters in their menus. For example, the image to the right has an underline on the "F" in File, which means you can press the Alt key and then the "F" key to access the File menu.