This is a great article, and I also found myself shuddering to think what would happen if the world ever saw the first program I ever wrote (whatever that was).
10 PRINT "HELLO WORLD"
Even the horrible crap I wrote as an novice is probably less embarrassing to me that the stuff I wrote as a journeyman who shoulda known better.
Thankfully, the most embarrassing things are, like, spending 2 days configuring postfix and not realizing that I could just read the log files and it tells me specifically what isn't working. A valuable lesson, but embarrassment has its cost.
mov ah, 2
mov dl, 7
int 21
int 20
Discovering that I could write my own programs with debug.com was earth shaking. Picked up some decade old book on it at Half Price Books (which went well with my decade old machine -- an 80s model IBM with integrated monochrome green screen) and never looked back. jmp FFF0
The client was amazed that I'd figured out a way to automate the ctrl-alt-del monkeys that had been hired to reboot everyones machines, for some reason, every night ..