Special Tip 1:- With most browsers, you can hit Ctrl+ or Ctrl-, and it will keep expanding or contracting the page you are viewing,
Tip 2 :-You can close a window,  either the usual way by clicking top right hand corner (x)  or on  the  keyboard by pressing Alt + F4. or Ctrl+W
Tip 3 :- In most browsers F11 toggles to a full screen
Tip 4 :- Don't forget that pressing HOME on your keyboard takes you to top of the page....and pressing END to the bottom of the page.
Common Keyboard Shortcuts
 
 CTRL-F or F3: to find a word or words on a page
 
 CTRL-C: to copy text
 
 CTRL-V: to paste text
 
 CTRL-Z: to undo a command
 
 SHIFT-CTRL-Z: to redo the command above
 
 CTRL-S: to save
 
 CTRL-B: to bold text
 
 CTRL-I: to italicise text
 
 CTRL-U: to underline text
 
 CTRL-X: to cut text
 
 CTRL-A: to select all
 
 CTRL-O: to open a file
 
 CTRL-P: to print
 
 CTRL- "-" or "+": to reduce or increase font size on a webpage
 
 CTRL-H: history
 
 WIN-L: to lock your desktop (Windows)
 
 WIN-D: to show your desktop (Windows)
 
  F5: to refresh a Page
 
 
 ALT-Print Screen: to capture a screenshot of a window on your desktop
 
 ALT-Home: to go to your browser's homepage
 
 CTRL-T: to open a new tab in your web browser
 
 CTRL-TAB: to scroll through the tabs on your web browser
 
 CTRL-W: to close a window on your web browser
 
 CTRL-Home: to go to the start of a sentence
 
 CTRL-End: to go to the start of a sentence
 
 CTRL-"←" or "→": to move to the previous or next word
 
 CTRL-SHIFT-"←" or "→": to select the previous or next word