The Control or Ctrl key is normally found in the bottom left and right corners of any keyboard in a Windows computer. When used in combination with other keys, it can perform many useful functions.
For instance in Windows 10, when you click Ctrl + Alt + Delete together, you are presented with a screen with the following options: Lock this computer, Switch User, Log Off, Change a password and Task Manager.
CTRL commands in Windows 10
The Ctrl key keyboard shortcuts may perform a function in a browser and maybe another in a word processor. Let us have a look at some of the important ones.
Ctrl+A : Select All objects
Ctrl+B : Bold highlighted text
Ctrl+C : Copy selected objects
Ctrl+D : Bookmark open web page
Ctrl+E : Center text
Ctrl+F : Open Find window
Ctrl+G : Open Favorites sidebar in IE. Opens Find and Replace in Word
Ctrl+H : Open Find and Replace in Microsoft Word.
Ctrl+I : Make text Italics
Ctrl+J : Opens View downloads in IE browsers
Ctrl+K : Create hyperlink for selected text in Word
Ctrl+L : Select address in the address bar in the browser. Left align text in Word
Ctrl+M : Indent selected text in word processors
Ctrl+N : Create New instance of the document or program
Ctrl+O : Open a new file
Ctrl+P : Open print window
Ctrl+R : Reload page in a browser. Right align text in Word
Ctrl+S : Save the document
Ctrl+T : Create a new tab in IE
Ctrl+U : Underline selected text
Ctrl+V : Paste copied objects
Ctrl+W : Close tab in IE or Word document
Ctrl+X : Cut selected object
Ctrl+Y : Redo the ‘Undo’ action.
Ctrl+Z : Undo any action
Ctrl+Esc : Open Start Screen or Start Menu
Ctrl+Tab : Switch to the next child window of a Multiple Document Interface (MDI) program
Ctrl+Shift+Esc : Opens Task Manager in Windows 8
Ctrl+WinKey+F : Opens Find computer box
Ctrl+Alt+Del : Opens screen to Lock, Switch users, etc.
Let me know if I have erred somewhere or missed out something.
Want more? Take a look at the complete list of Keyboard Shortcuts in Windows 10.