How To Install hello on Ubuntu 20.04
Introduction
In this tutorial we learn how to install hello on Ubuntu 20.04.
What is hello
hello is:
The GNU hello program produces a familiar, friendly greeting. It allows non-programmers to use a classic computer science tool which would otherwise be unavailable to them.
Seriously, though: this is an example of how to do a Debian package. It is the Debian version of the GNU Project’s `hello world’ program (which is itself an example for the GNU Project).
There are three methods to install hello on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install hello Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install hello using apt-get by running the following command:
sudo apt-get -y install hello
Install hello Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install hello using apt by running the following command:
sudo apt -y install hello
Install hello 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 hello using aptitude by running the following command:
sudo aptitude -y install hello
How To Uninstall hello on Ubuntu 20.04
To uninstall only the hello package we can use the following command:
sudo apt-get remove hello
Uninstall hello And Its Dependencies
To uninstall hello and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove hello
Remove hello Configurations and Data
To remove hello configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge hello
Remove hello configuration, data, and all of its dependencies
We can use the following command to remove hello configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge hello
References
Summary
In this tutorial we learn how to install hello package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.