This entry was published at least two years ago (originally posted on February 26, 2019). Since that time the information may have become outdated or my beliefs may have changed (in general, assume a more open and liberal current viewpoint). A fuller disclaimer is available.
Unsolicited Mac app recommendation: I don’t have to use the command line very often, but when I do, I really enjoy using Cathode, a vintage terminal emulator.
Scan lines! Green/amber (or whatever) screens! Curved CRTs! Fading scroll artifacts! It’s ridiculous and a lot of fun.