Install ZSH
sudo apt install zsh-autosuggestions zsh-syntax-highlighting zshInstall Oh my ZSH.
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"Install plugins.
- autosuggesions plugin
git clone https://github.com/zsh-users/zsh-autosuggestions.git $ZSH_CUSTOM/plugins/zsh-autosuggestions - zsh-syntax-highlighting plugin
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git $ZSH_CUSTOM/plugins/zsh-syntax-highlighting - zsh-fast-syntax-highlighting plugin
git clone https://github.com/zdharma-continuum/fast-syntax-highlighting.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/fast-syntax-highlighting - zsh-autocomplete plugin
git clone --depth 1 -- https://github.com/marlonrichert/zsh-autocomplete.git $ZSH_CUSTOM/plugins/zsh-autocomplete 
- autosuggesions plugin
 Enable plugins by adding them to .zshrc.
- Open .zshrc
vim ~/.zshrc - Find the line which says 
plugins=(git). - Replace that line with 
plugins=(git vi-mode z zsh-autosuggestions zsh-syntax-highlighting fast-syntax-highlighting zsh-autocomplete) 
- Open .zshrc
 ZSH_THEME="ys"References
Oh my ZSH
zsh-autosuggestions
zsh-syntax-highlighting
zsh-fast-syntax-highlighting
zsh-autocomplete
Oh my zsh.
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