How To Install c3270 on Ubuntu 20.04

In this tutorial we learn how to install c3270 on Ubuntu 20.04. c3270 is Curses program for telnet sessions to IBM mainframes

Introduction

In this tutorial we learn how to install c3270 on Ubuntu 20.04.

What is c3270

c3270 is:

c3270 opens a telnet connection to an IBM mainframe host in an Xterm window or Virtual Console. It can also connect to an IBM AS/400 as a 5250 terminal using the AS/400’s 3270 emulation.

c3270 is similar to tn3270(1), and x3270(1) except that it is curses-based, not X-based.

c3270 implements RFCs 2355 (TN3270E), 1576 (TN3270), and 1646 (LU name selection), and supports IND$FILE file transfer.

There are three methods to install c3270 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 c3270 Using apt-get

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

sudo apt-get update

After updating apt database, We can install c3270 using apt-get by running the following command:

sudo apt-get -y install c3270

Install c3270 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install c3270 using apt by running the following command:

sudo apt -y install c3270

Install c3270 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 c3270 using aptitude by running the following command:

sudo aptitude -y install c3270

How To Uninstall c3270 on Ubuntu 20.04

To uninstall only the c3270 package we can use the following command:

sudo apt-get remove c3270

Uninstall c3270 And Its Dependencies

To uninstall c3270 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove c3270

Remove c3270 Configurations and Data

To remove c3270 configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge c3270

Remove c3270 configuration, data, and all of its dependencies

We can use the following command to remove c3270 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge c3270

References

Summary

In this tutorial we learn how to install c3270 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.