helpman command not found

Introduction

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

helpman: command not found

or when using sudo you get the following error message

sudo: helpman: command not found

Solutions to helpman: command not found

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

In Ubuntu helpman is provided by helpman package.

helpman is:

Helpman provides a classified access to the manuals, installed by user/system programs, automatically. It also supports typing a program / manual name, in the Select Manual: text / combo box directly, to display it quickly. Error Messages will be shown below, if a manual is not found.

The Manual Type list box, shows sections 1 to 8, useful for specific display of a version of the manual. Say for example, if you see, CRON(8) in a manual, it means the CRON manual in the 8th section. So users should choose appropriately.

Please click the info button for more details.

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

sudo apt-get -y install helpman

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

You can also use apt command to install helpman.

sudo apt -y install helpman

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

sudo aptitude install helpman

Summary

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