What is the "better / best " method to multi-boot different OSes natively WITHOUT VirtualBox(es) ?

[Ralf Mardorf]

On Mon, 26 Oct 2020 17:51:04 +0100, Ralf Mardorf wrote:
>In my experiences it isn't a myth. The intern HDDs of my PCs did last
>for around 2 years, when turning the computer off and on several times
>a day and they did last for around 7 years, if the machine runs more or
>less 24/7.

Btw. almost all of the times drives of both kind of usage failed with a
click, click noise, because they were unable to release the heads. A
"slap" usually released the heads a few times, so it was possible to
copy data, that wasn't already backuped.