if you don't know, now u know..... (For Windows OS. Swap CTRL for Apple's Command key): 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 And more ... CTRL-H: history WIN-L: to lock your desktop (Windows) WIN-D: to show your desktop (Windows) F5: to refresh a page ***-Print Screen: to capture a screenshot of a window on your desktop ***-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 end of a sentence CTRL-"←" or "→": to move to the previous or next word CTRL-SHIFT-"←" or "→": to select the previous or next word