I have been working with Linux for years but am like the skier perpetually stuck on intermediate slopes. I started with IBM in 1960 in Poughkeepsie, NY as a graveyard shift "machine operator/programmer trainee". Only three subsequent jobs, including owner/operator for 9 years of early US computer store. Just turned 73, am retired but spending much time playing on my Linux PC and doing occasional Python programming for small change.
Happy New Year from Northern California,