Nobody was born knowing how to:
Use the toilet,
Tie one's shoes,
Dial a telephone, either rotary or touch-tone,
Drive a car,
or,
Master a new and unfamiliar operating system.

As a civilization we have devised educational systems to facilitate
mastering the first four. There was even a mature educational path to
learn OS-360, and I found numerous very helpful books to assist my
rather limited understanding of CPM.

With 57 varieties of Linux, at least 3 of them UBUNTU, the educational
assistance is not easy to find. There is lots of information
available, but the signal is about 60db below the noise.

Unfortunately the foregoing discussion has just added to the noise and
I have contributed mine.