Mac OS X Useful Keyboard Shortcut. Tips and Tracks !

COMMAND + C                 Copy
COMMAND + V                 Paste
COMMAND + X                 Cut
COMMAND + A                 Select All
COMMAND + Z                  Undo
COMMAND + S                  Save
COMMAND + F                  Find
COMMAND + Q                 Quit Program
COMMAND + W                Close Window (program is not quit)
COMMAND + TAB            Program Switch
CTRL + SPACE                   Open SPOTLIGHT

Type a Tick in Mac

Hold down the left "alt" button and press "v"


It will show the follow

√


Although it is not exactly a tick, it is ok to use.