2. I did not say Ubuntu. Linux has many distributions, versions.
Every Linux uses its own "special" installation procedure.
1. What example ?
One more element - one more thing to fix -
(it can be there or not, it can be demagged)
All necessary elements (files) must be present or boot will fail.
I was thinking of an example of what type of fix would need to be done. After I responded I saw you list yourself as a Delevoper and perhaps are looking at the situation from a different perspective than an ordinary user, like me.
But the versions, I am speaking of Ubuntu. I use the latest, as far as I know, and it works well. I just reinstalled Ubuntu, without the special boot partition and am still able to boot both OSes.
Not really sure what happened to vic4ever for his system to end up with a hidden partition.
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