10 points
Any immutable distro, Debian, Ubuntu, all their derivatives, Fedora, all its derivatives, OpenSUSE, Slackware, …
Basically, 95+% of installed Linux systems would retain the old or a backup kernel during an upgrade.
2 points
Any immutable distro, Debian, Ubuntu, all their derivatives
Debian and Ubuntu are not immutable distributions by default, unless I am mistaken.
2 points
They weren’t saying Debian and Ubuntu are immutable - they were saying “any immutable distro”, “Debian”, and “Ubuntu” as three separate items in a list.
1 point
2 points