• dpkg automates the installation and maintenance of software packages and offers a number of options.

  • dselect uses a text-based interactive menu to select (or deselect) packages for installation.

  • alien can convert packages to and from the RPM and Debian package format.

  • apt-get is a powerful tool that interfaces with online repositories of Debian packages to install and upgrade packages by name and resolves each package’s dependencies automatically.

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