How To Install explain on Ubuntu 20.04

In this tutorial we learn how to install explain on Ubuntu 20.04. explain is utility to explain system call errors

Introduction

In this tutorial we learn how to install explain on Ubuntu 20.04.

What is explain

explain is:

This package provides an explain(1) command to explain Unix and Linux system call errors, after the fact.

There are three methods to install explain 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 explain Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install explain using apt-get by running the following command:

sudo apt-get -y install explain

Install explain Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install explain using apt by running the following command:

sudo apt -y install explain

Install explain 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 explain using aptitude by running the following command:

sudo aptitude -y install explain

How To Uninstall explain on Ubuntu 20.04

To uninstall only the explain package we can use the following command:

sudo apt-get remove explain

Uninstall explain And Its Dependencies

To uninstall explain and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove explain

Remove explain Configurations and Data

To remove explain configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge explain

Remove explain configuration, data, and all of its dependencies

We can use the following command to remove explain configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge explain

References

Summary

In this tutorial we learn how to install explain package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.