Setup shortcut keys to lock Mac OS X Sierra computers

How can I setup or use shortcut keys to lock a Mac computer running the macOS Sierra operating system?
IT GuyNetwork EngineerAsked:
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Jim RiddlesPrepress/OMS SpecialistCommented:
Control+Shift+Eject should do the trick.  Let me know if you have any problems with this.
Jackie ManIT ManagerCommented:
You should use Control-Shift-Power to lock your Mac unless your Mac is pretty old and you need to use Control-Shift-Eject.

There are many ways to do what you want.

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If you have one of the newer Touchbar Macbook Pros, you can open
System Preferences --> Keyboard
Click on Customize Control Strip

Drag the Lock screen icon to the touch strip.  I find it easier to do a single touch button than having to use 2 hands.

I'd also set the screen saver to lock the screen immediately and set the screen saver to a single button rather than leaving it at the tedious default Control Shift Power/Eject
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