"Package manager" is a generic name for software to install, upgrade, and uninstall applications. Commands like dnf or apt on Linux, or pkg_add on BSD, or even pip on Python and luarocks on Lua, make it trivial for users to add new applications to their system. Once you've tried it, you're likely to find it hard to live without, and it's a convenience every operating system ought to include. Not all do, but the open source community tends to ensure the best ideas in computing are propagated across all platforms.
read more