A .deb is a software package file containing application files of a particular software and metadata file about its dependencies and versions. The software can be installed from the deb file using dpkg (Debian Package
The Deb package file is the official file format of an installable software bundle in Debian and Debian-based Linux distributions. A .deb is the extension of these package files and dpkg (Debian package manager) is
apt (Advanced Packaging Tool) is the package installation and dependency management tool in Debian and other Debian-based distributions. It works on top of ‘Dpkg‘ which is nothing but the Debian package installer. The way apt