Do I need to understand lambda calculus to get the most out of this article? I made it to combinators and I’m a bit lost. Should I just read the mentioned “to mock a mockingbird”?

I’m mostly a Linux casual who ended up working in not computers so it’s knowledge that’s useful for a month out of a year and hard to retain 😅 This article is what I wish the man page examples were

Thanks for the article. This will be a good to save as a PDF for future reference