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APT
Advanced Package Tool - the package manager used by Debian-based Linux distributions.
APT (Advanced Package Tool) is a free-software user interface that works with core libraries to handle the installation and removal of software on Debian and Debian-based Linux distributions like Ubuntu, Linux Mint, and Pop!_OS. APT simplifies the process of managing software by automatically handling dependencies and connecting to online repositories to download packages.
Package Management
Examples
sudo apt update - Refresh the list of available packages
sudo apt install firefox - Install Firefox browser
sudo apt remove firefox - Remove Firefox
sudo apt upgrade - Upgrade all installed packages