How To Install & Setup Oh-My-Zsh on Linux

Z shell is a Unix shell that can be used as an interactive login shell and as a command interpreter for shell scripting.

Zsh having lot of improvements over Bourne shell and first created by Paul Falstad in 1990.

Zsh Features

• Sharing command history among all running shells.
• Spelling correction
• Loadable Modules
• Named directories

Installation Steps

In order for Oh-My-Zsh to work on the system ,zsh need to be installed

Step 1: Install ZSH

Two ways we can install ZSH

1. Source package
2. Package Manager.

For Ubuntu

apt install zsh

For CentOS7

sudo yum update && sudo yum -y install zsh

For OpenSUSE

zypper install zsh

For Fedora

dnf install zsh

Step 2: Make it as Default Shell

chsh -s (which zsh) root

Step 3: Verify the shell

Logout from the root user and login again to verify the shell

echo $SHELL

Step 4: Install and Configure Oh-My-Zsh Framework

Once Z Shell is installed and confirmed install the Framework from the GIT

For Ubuntu

apt install wget git

On CentOS

yum install wget git

Install Oh-My-Zsh Framework

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

Oh-My-Zsh will be installed in the home directory "~/.oh-my-zsh".Copy the zshrc.zsh-template config file to the home directory .zshrc and apply the config

cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc

source ~/.zshrc

Step 5: Change Oh-My-Zsh Themes

Oh-My-Zsh framework provides large no.of themes , You can change the default themes by editing the config file .zshrc which will be under ./oh-my-zsh/themes/

Set ZSH_THEME to the name of the theme in your ~/.zshrc, before sourcing Oh My Zsh

ZSH_THEME=af-magic

If you do not want any theme enabled, just set ZSH_THEME to blank: ZSH_THEME=""