Zsh

Zsh(Z shell) is a shell designed for interactive use, although it is also a powerful scripting language. While being compatible with Bash, it offers advantages such as improved tab completion and many other useful features.

Installation

It can be installed via homebrew:

brew install zsh

Make sure that Zsh has been installed correctly by running the command zsh in a terminal. It is recommended to install a framework along with zsh as it makes configuration, themes, plugins a lot better.

Oh My Zsh

Oh My Zsh is an open source, community-driven framework for managing your zsh configuration.

Install Oh My Zsh

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

Customization

The configuration file for zsh is called .zshrc and it locates in home folder (~/.zshrc). You can use this file to set alias, environment variables, theme etc. For example, you can set alias for git status as gs which is used very often.

# Aliases
alias g="git"
alias gs="git status"
alias ga="git add -u"
alias gc="git commit -m"

# Set environment variables
export GIT_EDITOR=vim

Every time you can make changes to this file, apply the changes by running following command or start new shell instance.

source ~/.zshrc

You can also set your desired theme by setting the variable ZSH_THEME in .zshrc file.

ZSH_THEME="agnoster"