Protecting root security

[Tommy Malloy]

Doesn't the fact that I can go to any Linux box with an install disk or
cd and gain root access mean that the all Linux systems are
fundamentally insecure?   Perhaps the install process could be changed
so that root password, or some other verification system is required,
before a reinstall is permitted.  It is true that compromising a system
this way requires unfettered access to the box.   However as Linux is
used more and more in commercial environments this issue will need to be
addressed.