What is the best Mac shortcut?

Command C, Command V. Use it a thousand times a day! 😎

Command+Option+Esc to kill Chrome when it is using all of my memory/cpu

Hey, Control, Option, and Command: The three most important keys on your Mac can be found to the left and right of the spacebar (for right- and left-handed use). Unfortunately, these keys seem to cause more confusion than any others. So our shortcuts guide will begin by clearing up the mystery of, Control, Option, and Command. Regards: Best Perfumes for Men in Pakistan