How To Install whichman on Ubuntu 20.04
Introduction
In this tutorial we learn how to install whichman
on Ubuntu 20.04.
What is whichman
whichman is:
whichman uses a fault tolerant approximate matching algorithm to search for man-pages that match approximately the specified name. The fault tolerant matching is very useful in cases where you remember only roughly the name of a command.
Example: whichman netwhat
This finds netstat.8: /usr/share/man/man8/netstat.8
ftff searches the directory tree. This is a case in-sensitive and fault tolerant way of ‘find . -name xxxx -print’.
ftwhich finds files which are in one of the directories in your PATH and uses a fault tolerant search algorithm.
There are three methods to install whichman
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install whichman Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install whichman
using apt-get
by running the following command:
sudo apt-get -y install whichman
Install whichman Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install whichman
using apt
by running the following command:
sudo apt -y install whichman
Install whichman Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install whichman
using aptitude
by running the following command:
sudo aptitude -y install whichman
How To Uninstall whichman on Ubuntu 20.04
To uninstall only the whichman
package we can use the following command:
sudo apt-get remove whichman
Uninstall whichman And Its Dependencies
To uninstall whichman
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove whichman
Remove whichman Configurations and Data
To remove whichman
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge whichman
Remove whichman configuration, data, and all of its dependencies
We can use the following command to remove whichman
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge whichman
References
Summary
In this tutorial we learn how to install whichman
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.