c3270 software package provides Curses program for telnet sessions to IBM mainframes, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install c3270
c3270 is installed in your system.
Make ensure the c3270 package were installed using the commands given below,
$ sudo dpkg-query -l | grep c3270 *
You will get with c3270 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Network |
| Package | c3270 |
| Version | 3.3.14ga11-1 |
| Description | Curses program for telnet sessions to IBM mainframes |
| Sub Section | Net |