iterm2 + zsh + oh_my_zsh

gistfile1.txt

# Here is a summary of many gists I've seen so far.
This https://gist.github.com/kevin-smets/8568070 was the most useful one.

brew cask install iterm2 // or downloading it...

brew install zsh

#install oh_my_zsh
sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

#POWERLEVEL10k - adds info such as exit codes and timestamps on the right, run:

git clone https://github.com/romkatv/powerlevel10k.git $ZSH_CUSTOM/themes/powerlevel10k
Then edit your ~/.zshrc and set ZSH_THEME="powerlevel10k/powerlevel10k".
Also add the following: POWERLEVEL9K_MODE="awesome-patched"

# Auto Suggestions
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

### inside .zshrc, add zsh-autosuggestions to the list of plugins:
plugins=(zsh-autosuggestions)