CODE EXAMPLE FOR SHELL

zsh autosuggestions

Git Clone the zsh-autocomplete plugin in the OhMyZsh plugin folder.
$ sudo git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

Once that is done, add the plugin in the ~/.zshrc file's plugin list.

plugins=(
  ...
  zsh-autosuggestions
)