Debian updating system

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Just issuing an installation request for the accidentally removed package will restore its function as before in that case.On the other hand, you can get rid of these leftovers by calling purge even on already removed packages.The people (or sometimes a single person) that write this software are known as upstream providers, they compile their code and write up how to get it installed.These upstream providers work on getting new software out and update existing software.Debian is a free operating system (OS) for your computer.An operating system is the set of basic programs and utilities that make your computer run. The last update to this release was made on July 6th, 2019. Please use the navigation bar at the top of this page to access more content.With this flag, the new packages will be downloaded but not installed.You can install them later by writing apt-get update -u.

Introduction: Debian and Ubuntu Linux are both free and open source operating system.

Debian already comes with pre-approved sources to get packages from and this is how it installs all the base packages you see on your system (if a user did a net-install).

On a Debian system, this sources file is the "Sometimes it is helpful to use "full-upgrade".

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I wanted to know what does sudo apt-get update command does?

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