Keyboard Shortcuts that Mac users should know

Make your work easier and your performance faster by knowing these significant keyboard shortcuts. You don't have to use your mouse or trackpad to select the tools or any features and it does save your time for better.

Command + Shift + 3	To screenshot the whole screen
Command + Shift + 4	To screenshot a specific area of a screen
Command + q	To quit an app
Command + t	To open a new tab in a browser (Safari, Chrome, Firefox)
Command + Shift + t	Reopen the tab you have just closed in a browser
Command + tab	Switching between open applications
Command + comma (,)	To open preferences window in mac
Command + Space bar	Open spotlight to search for a file or application
Command + Shift +?	Open Help menu
Command + c	Copy
Command + v	Paste
Command + x	Cut
Command + z	Undo
Command + a	Select all
Command + s	To save a file
Command + Arrow Up/Down	To jump quickly to the top/bottom of a page
Command + n	To open a new window or a document
Command + m	To minimize a window
Command + h	To hide a window you are using right now
Command + w	To close a window you are using right now
Command + q	To quit the current application
Command + F	Finding the words or phrases in applications or browsers that support Find Features

Have you tried those above shortcuts before? If not, let's try them and see how 

useful they are for your daily works and well that's just short because it's a shortcut. Cheers!