How To Install zsh on Ubuntu 18.04
Introduction
In this tutorial we learn how to install zsh on Ubuntu 18.04.
What is zsh
zsh is:
Zsh is a UNIX command interpreter (shell) usable as an interactive login shell and as a shell script command processor. Of the standard shells, zsh most closely resembles ksh but includes many enhancements. Zsh has command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and a host of other features.
There are three methods to install zsh on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install zsh Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install zsh using apt-get by running the following command:
sudo apt-get -y install zsh
Install zsh Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install zsh using apt by running the following command:
sudo apt -y install zsh
Install zsh Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install zsh using aptitude by running the following command:
sudo aptitude -y install zsh
How To Uninstall zsh on Ubuntu 18.04
To uninstall only the zsh package we can use the following command:
sudo apt-get remove zsh
Uninstall zsh And Its Dependencies
To uninstall zsh and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove zsh
Remove zsh Configurations and Data
To remove zsh configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge zsh
Remove zsh configuration, data, and all of its dependencies
We can use the following command to remove zsh configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge zsh
References
Summary
In this tutorial we learn how to install zsh package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
