Keyboard shortcuts are a combination of two or more keyboard keys held down at instant to execute a command. This is a fast way of working out many commands in the computer. The user holds down the command action key first before pressing the alphabet key.
Advantages of Using Shortcuts
1. It makes you smart
2. It wows onlookers. Imagine operating a PC without touching the mouse.
3. You work in a very fast way.

To make a command shortcuts, for example, Ctrl + C, press down “control key (ctrl)” first before pressing the “C” key on the keyboard. Follow this order to get it right. In other cases, you must select the item or highlight it.

Main Window Keyboard Shortcuts:

Ctrl + C – Copy command. Copy word, text, file, or group of items to the clipboard. It retains its original file. This command duplicates a copied item to a new place.
Ctrl + X – Cut command. Cut word, text, file, or group of items to the clipboard for pasting. This command doesn’t keep the original file. It moves the item permanently to the paste place. It is a move command on the PC.
Ctrl + V – Paste command. This command puts the copied or cut item to the desired place. This command comes after copying or cutting an item .
Ctrl + Z – Undo command. This reverts back an immediate action to the previous state. It reverts back one-step at a time.

Ctrl + O – Open command. Open a saved console, or file.
Ctrl + N – New command. Open a new console. Necessary when creating a new file or folder.
Ctrl + S – Save command. Save the open console.
Ctrl + M – Add or remove a console item.
Ctrl + W – Close an active window.
Ctrl while dragging an item – Copy the selected item to the place you release your mouse.
Ctrl + Shift while dragging an item – Create a shortcut of the item.
Ctrl + Right Arrow – Move the insertion point to the beginning of the next word. Useful in text-based applications.
Ctrl + Left Arrow – Move the insertion point to the beginning of the previous word.

Ctrl + Down Arrow – Move the insertion point to the beginning of the next paragraph.
Ctrl + Up Arrow – Move the insertion point to the beginning of the previous paragraph.
Ctrl + Shift with any of the Arrow Keys – Highlight a block of text.
Ctrl + A – Select all items in the window/displaying.
Ctrl + F10 – Maximize the active console window.
Ctrl + F5 – Restore the active console window.
Ctrl + Esc – Display the start menu.
Ctrl + P – Print the current page or active pane.
Ctrl + F4 – Close the active document in programs that support multiple open documents. Close active console.

F1 key – Open the help topic, if any, for the selected item. It displays help in applications.
F2 key – Rename an item.
F3 key – Search for a file, text or a folder. This is a search shortcut.
F4 key – Display the address bar list in my computer or windows explorer.
F5 key – Update the content of all console windows. This command simply updates the active window.
F6 key – Cycle through the screen elements in a window or on the desktop.
F10 key – Activate the menu bar in the active program. You can navigate straight to menu items in an application.
Right arrow – (after the above command, f10 key), open the next menu to the right, or open a submenu.
Left arrow – (after pressing F10 key) Open the next menu to the left, or close a submenu.
F12 Key After booting On PC – Boot from media devices (CD-ROM, Flash Disk).

There are over 100 shortcuts available.

Learn more here � http://www.pcngn.com/keyboard-shortcuts/