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CompTIA Linux+ Certification Guide by Philip Inshanally

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The apt-get command

The Advanced Package Tool (APT) is a command-line tool that is used for easy interaction with the dpkg packaging system. APT is the ideal method used for managing software within Debian-based Linux distributions, such as Ubuntu. It manages dependencies effectively, maintains large configuration files, and properly handles upgrades and downgrades to ensure system stability. dpkg on its own does not handle dependencies properly. apt-get performs installations, package searches, updates, and many other operations to packages available to your system. Keeping packages up to date is extremely important, as using out-of-date packages can lead to security issues on your system. The apt-get utility requires root privileges, similar ...

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