What Package Manager Does Ubuntu Use by Default?

This article provides a quick overview of the default package management system used by the Ubuntu operating system for handling Debian-based software packages. It covers the primary command-line utilities, the underlying technology that powers them, and how they work together to manage software installation, updates, and removal.

Ubuntu utilizes the Advanced Packaging Tool (APT) as its default management system for Debian-based packages (.deb files). APT is a powerful command-line tool that simplifies the process of installing, upgrading, and removing software by automatically handling dependencies—ensuring that all required helper software is downloaded alongside the main application.

While APT is the user-facing tool most commonly used in the terminal, it actually operates as a frontend for dpkg (Debian Package), the core low-level package manager for the Debian operating system upon which Ubuntu is built. When you run an APT command to install software, APT resolves the necessary dependencies from online repositories and then passes the actual installation tasks down to dpkg.

In modern Ubuntu versions, users primarily interact with APT through the simplified apt command (e.g., sudo apt install package-name), which replaces the older, more verbose apt-get and apt-cache utilities. Additionally, while Ubuntu has introduced newer containerized package formats like Snaps by default for certain applications, APT remains the fundamental system for managing standard Debian-based software across the OS.