What Does Autoremove Do in Ubuntu?
Contents Autoremove (Apt-Get(8)) Autoremove Is Used to Remove Packages That Were Automatically Installed to Satisfy Dependencies for Other Packages and Are Now...
autoremove (apt-get(8)) autoremove is used to remove packages that were automatically installed to satisfy dependencies for other packages and are now no longer needed as dependencies changed or the package(s) needing them were removed in the meantime.
Is it safe to run Autoremove?
Yes it is safe to use apt-get autoremove option. It removes the packages that are no longer needed so you can use this option.
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What is Autoclean Ubuntu?
autoclean: removes all stored archives in your cache for packages that can not be downloaded anymore (thus packages that are no longer in the repo or that have a newer version in the repo).