How To Install unlambda on Ubuntu 18.04
Introduction
In this tutorial we learn how to install unlambda on Ubuntu 18.04.
What is unlambda
unlambda is:
It is an interpreter of the Unlambda language, written in the pure, lazy, functional language Haskell.
There are three methods to install unlambda 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 unlambda Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install unlambda using apt-get by running the following command:
sudo apt-get -y install unlambda
Install unlambda Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install unlambda using apt by running the following command:
sudo apt -y install unlambda
Install unlambda 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 unlambda using aptitude by running the following command:
sudo aptitude -y install unlambda
How To Uninstall unlambda on Ubuntu 18.04
To uninstall only the unlambda package we can use the following command:
sudo apt-get remove unlambda
Uninstall unlambda And Its Dependencies
To uninstall unlambda and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove unlambda
Remove unlambda Configurations and Data
To remove unlambda configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge unlambda
Remove unlambda configuration, data, and all of its dependencies
We can use the following command to remove unlambda configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge unlambda
References
Summary
In this tutorial we learn how to install unlambda package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
