tknewsbiff command not found

Introduction

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

tknewsbiff: command not found

or when using sudo you get the following error message

sudo: tknewsbiff: command not found

Solutions to tknewsbiff: command not found

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

In Ubuntu tknewsbiff is provided by expect package.

expect is:

Expect is a tool for automating interactive applications according to a script. Following the script, Expect knows what can be expected from a program and what the correct response should be. Expect is also useful for testing these same applications. And by adding Tk, you can also wrap interactive applications in X11 GUIs. An interpreted language provides branching and high-level control structures to direct the dialogue. In addition, the user can take control and interact directly when desired, afterward returning control to the script.

This package contains the expect binary and several Expect based scripts.

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

sudo apt-get -y install expect

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

You can also use apt command to install expect.

sudo apt -y install expect

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

sudo aptitude install expect

Summary

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