rbash command not found

Introduction

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

rbash: command not found

or when using sudo you get the following error message

sudo: rbash: command not found

Solutions to rbash: command not found

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

In Ubuntu rbash is provided by bash package.

bash is:

Bash is an sh-compatible command language interpreter that executes commands read from the standard input or from a file. Bash also incorporates useful features from the Korn and C shells (ksh and csh).

Bash is ultimately intended to be a conformant implementation of the IEEE POSIX Shell and Tools specification (IEEE Working Group 1003.2).

The Programmable Completion Code, by Ian Macdonald, is now found in the bash-completion package.

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

sudo apt-get -y install bash

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

You can also use apt command to install bash.

sudo apt -y install bash

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

sudo aptitude install bash

Summary

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