lt command not found

Introduction

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

lt: command not found

or when using sudo you get the following error message

sudo: lt: command not found

Solutions to lt: command not found

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

In Ubuntu lt is provided by looptools package.

looptools is:

LoopTools is a package for evaluation of scalar and tensor one-loop integrals based on the FF package by G.J. van Oldenborgh. It features an easy Fortran, C++, and Mathematica interface to the scalar one-loop functions of FF and in addition provides the 2-, 3-, and 4-point tensor coefficient functions.

This package provides program file, lt, of LoopTools.

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

sudo apt-get -y install looptools

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

You can also use apt command to install looptools.

sudo apt -y install looptools

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

sudo aptitude install looptools

Summary

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