How To Install emacs21 on Debian 10

Learn how to install emacs21 on Debian 10 with this tutorial. emacs21 is GNU Emacs transitional package to emacs-gtk

Introduction

In this tutorial we learn how to install emacs21 on Debian 10.

What is emacs21

emacs21 is:

GNU Emacs is the extensible self-documenting text editor. This package is a transitional package to ensure that systems with emacs21 installed automatically upgrade to the new unversioned emacs-gtk package.

There are three methods to install emacs21 on Debian 10. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install emacs21 Using apt-get

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

sudo apt-get update

After updating apt database, We can install emacs21 using apt-get by running the following command:

sudo apt-get -y install emacs21

Install emacs21 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install emacs21 using apt by running the following command:

sudo apt -y install emacs21

Install emacs21 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install emacs21 using aptitude by running the following command:

sudo aptitude -y install emacs21

How To Uninstall emacs21 on Debian 10

To uninstall only the emacs21 package we can use the following command:

sudo apt-get remove emacs21

Uninstall emacs21 And Its Dependencies

To uninstall emacs21 and its dependencies that are no longer needed by Debian 10, we can use the command below:

sudo apt-get -y autoremove emacs21

Remove emacs21 Configurations and Data

To remove emacs21 configuration and data from Debian 10 we can use the following command:

sudo apt-get -y purge emacs21

Remove emacs21 configuration, data, and all of its dependencies

We can use the following command to remove emacs21 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge emacs21

Dependencies

emacs21 have the following dependencies:

References

Summary

In this tutorial we learn how to install emacs21 package on Debian 10 using different package management tools: apt, apt-get and aptitude.