aptitude:tldr:23438

The command "aptitude search ${package}" is used to search for a specific software package in a Debian-based system using the aptitude package manager.

Here's a breakdown of the command:

• "aptitude" is the command-line interface for the aptitude package manager. Aptitude is a text-based interface to the Advanced Package Tool (APT) system, which is used to manage software packages in Debian-based distributions like Ubuntu.

• "search" is an aptitude command that is used to search for packages.

• "${package}" is a placeholder for the name of the package you want to search. You replace it with the actual name of the package you are looking for.

When you run the command with the name of a package, aptitude will search for that package in the local package database and display the search results. The search results typically include the package name, a brief description, and other relevant information about the package.

This command can be useful when you are looking for a specific package and want to check if it is available in the package repositories of your system. It can also help you find the correct package name when you are unsure about the exact name or want to search for a package based on certain keywords or descriptions.