otsubtree command not found

Introduction

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

otsubtree: command not found

or when using sudo you get the following error message

sudo: otsubtree: command not found

Solutions to otsubtree: command not found

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

In Ubuntu otsubtree is provided by ncl-tools package.

ncl-tools is:

The NEXUS Class Library is a C++ library for parsing NEXUS files.

The NEXUS file format is widely used in bioinformatics. Several popular phylogenetic programs such as Paup, MrBayes, Mesquite, and MacClade use this format.

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

sudo apt-get -y install ncl-tools

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

You can also use apt command to install ncl-tools.

sudo apt -y install ncl-tools

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

sudo aptitude install ncl-tools

Summary

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