Samsung Chromebook 4 3 User Manual page 17

Basics
Shift key
Hold the Shift key down to enter upper case letters.
Hot key function
Press the following keys at the same time.
You can check the hot keys in Chrome OS.
Search key
Where you'd find the Caps Lock key on a traditional keyboard,
we've put the Search key.
Press the Search key to run the Launcher.
If you really need Caps Lock, go to the Settings page to make the
Search key behave like a Caps Lock key.
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