Introduction
Linux distributions contain a ton of software, and there is plenty more that users can add to their system.
Keeping track of compatible code can be a major hassle, any conflicts are a hassle and take time to track down.
Package managers have software repositories that maintain compatible versions of applications.
When you want to install or upgrade, you can use gui tools or the command line.
Different distributions use different package managers.
Debian/Ubuntu systems use apt or apt-get.
Redhat/CentOS uses yum.
Other package mangers like snap and flatpack are available.
See also homebrew, and npm.
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