Keyboard shortcuts can save you a lot of time but most people don't even know these.

The 6 Most Useful Keyboard Shortcuts You Need to Know
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Obviously there are some programs and operating systems that don't support ALL keyboard shortcuts, but these six work in about every program.

1. CTRL S to Save.

2. CTRL Z to Undo. It's great for word processing, and photo or video editing. If you make a mistake, just hit CTRL Z and things will go back to how they were.

3. CTRL C to Copy, CTRL X to Cut, and CTRL V to Paste. CTRL C saves selected text or images to the Clipboard, and CTRL V pastes them wherever the cursor is. CTRL X deletes selected text or images WHILE saving to the Clipboard.

4. CTRL and the plus sign to Zoom. And CTRL with the minus sign zooms back out.

5. CTRL P to Print.

6. CTRL ALT DELETE to Exit. It'll let you exit out of a frozen program when the mouse isn't working.

For Mac users: Hold down the Command, Option, and Escape buttons. For all of the other shortcuts, just use Command instead of the Control button to do the same things on a Mac.

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