waterfall command not found

Introduction

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

waterfall: command not found

or when using sudo you get the following error message

sudo: waterfall: command not found

Solutions to waterfall: command not found

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

In Ubuntu waterfall is provided by gwaterfall package.

gwaterfall is:

This program facilitates comparison of various fonts and font rendering parameters.

It displays sample lines of text in sizes from 5 to 36px simultaneously and allows changing of font size range and increment, hinting, autohinting, anti-aliasing, subpixel smoothing, and aspect, immediately showing the changes on the screen. All Unicode characters are divided into blocks of 128 characters, and user can choose block of 128 characters to use as sample line of text.

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

sudo apt-get -y install gwaterfall

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

You can also use apt command to install gwaterfall.

sudo apt -y install gwaterfall

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

sudo aptitude install gwaterfall

Summary

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