When working with text, there are a few crucial shortcuts to know.
You should already know these
• Command + A : Select All
• Command + C : Copy
• Command + V : Paste
You may not know these
• Option + Arrow - Left : Jump to beginning of previous word
• Option + Arrow - Right : Jump [...]

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There are a few shortcuts every mac user needs to remember. They will make your mac experience much smoother and your workflow more efficient.
The main reason to use shortcuts is so you can spend more time with your hands on the keyboard instead of the mouse or trackpad. Forgoing the mouse [...]

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Just when I thought I knew every crucial keyboard shortcut, I can across these gems the other day and have been putting them to good use:
Sleep: option+apple+eject
Restart: ctrl+apple+eject
Shutdown: ctrl+option+apple+eject
The best part is that these shortcuts bypass any pop-up window or alert, such as:

And don’t worry, the computer will still ask if you want to save [...]

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