loch command not found

Introduction

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

loch: command not found

or when using sudo you get the following error message

sudo: loch: command not found

Solutions to loch: command not found

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

In Ubuntu loch is provided by therion-viewer package.

therion-viewer is:

Therion is cave-survey drawing and modelling software. This package contains the 3D model viewer for therion models produced by version 0.4 or later. It can also display Survex .3d and Compass .plt files.

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

sudo apt-get -y install therion-viewer

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

You can also use apt command to install therion-viewer.

sudo apt -y install therion-viewer

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

sudo aptitude install therion-viewer

Summary

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