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As you type commands, you will see a completion offered after the cursor in a muted gray color. If you press the right-arrow key or End with the cursor at the end of the buffer, it will accept the suggestion, replacing the contents of the command line buffer with the suggestion. If you invoke the forward-word widget, it will partially accept the suggestion up to the point that the cursor moves to.
How to install:
sudo apt install zsh-autosuggestions
Updated on: 2021-Nov-26