How to Reinstall Ubuntu Linux [Step by Step Guide]
https://itsfoss.com/reinstall-ubuntu29.10.2020 · Reinstall Ubuntu option in dual boot mode. In my case, it finds that I have Ubuntu 18.04.2 and Windows installed on my system and it gives me a few options. The first option here is to erase Ubuntu 18.04.2 and reinstall it. It tells me that it will delete my personal data but it says nothing about deleting all the operating systems (i.e. Windows).