The Easy Way: Using dpkg to Check if a Package is Installed

One of the quickest ways to determine whether a package is installed on your Ubuntu system is by using the dpkg tool. This tool allows you to interact with the Debian package management system and obtain details about the packages installed on your system.

Using apt Package Manager for Package Verification

If you prefer utilizing the apt package manager to check for package existence and installation status, you can employ some simple commands that provide the necessary information swiftly.

Exploring Synaptic Package Manager for Package Verification

Synaptic Package Manager offers a graphical user interface method for managing packages that can be handy for checking package installation. Let’s delve into how you can use Synaptic for this purpose.