pdp7 command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

pdp7: command not found

or when using sudo you get the following error message

sudo: pdp7: command not found

Solutions to pdp7: command not found

How To Fix pdp7: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu pdp7 is provided by simh package.

simh is:

This is the SIMH set of emulators for 33 different computers: DEC PDP-1, PDP-4, PDP-7, PDP-8, PDP-9, DEC PDP-10, PDP-11, PDP-15, Data General Nova, Eclipse, GRI-909, Honeywell 316, 516, HP 2100, IBM System 3 Model 10, 1401, 7094 IBM 1620 Model 1, IBM 1620 Model 2, Interdata 3, 4, 5, 70, 80, 7/16, 8/16, 8/16E, Interdata 7/32, 8/32, SDS 940, LGP-21, LGP-30, DEC VAX (but cannot include the microcode due to copyright)

To fix this problem, we can install more using the command below.

sudo apt-get -y install simh

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install simh.

sudo apt -y install simh

Or if you have aptitude installed you can use the following command.

sudo aptitude install simh

Summary

In this tutorial we learn how to fix pdp7 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.