I misunderstood the term, 'rolling release' when I wrote that.
What I meant was, is PCL the only distro that lets you update your OS by accessing a repo?
My assumption was that other versions made you do a fresh install from-the-ground-up
when you wanted to update the system.
Like that big changeover from 3 years ago when we had to move our personal files to an external HDD; install the new OS; and then move our personal files back to our internal HDD.
know 'rolling' means that updates are brought out regularly.