gap command not found

Introduction

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

gap: command not found

or when using sudo you get the following error message

sudo: gap: command not found

Solutions to gap: command not found

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

In Ubuntu gap is provided by gap-core package.

gap-core is:

GAP is a system for computational discrete algebra, with particular emphasis on Computational Group Theory. GAP provides a programming language, a library of thousands of functions implementing algebraic algorithms written in the GAP language as well as large data libraries of algebraic objects. GAP is used in research and teaching for studying groups and their representations, rings, vector spaces, algebras, combinatorial structures, and more.

This package contains the core GAP system.

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

sudo apt-get -y install gap-core

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

You can also use apt command to install gap-core.

sudo apt -y install gap-core

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

sudo aptitude install gap-core

Summary

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