OTOH, I remember that the first thing I did when, as a 10-year-old boy, I got a VIC-20 (my very first computer) was to type 10 + 10 and "20" appeared afte

OTOH, I remember that the first thing I did when, as a 10-year-old boy, I got a VIC-20 (my very first computer) was to type 10 + 10 and "20" appeared after I pressed the Enter key. Today this would not work with Bash, yet at the time the computer's answer seemed pretty logical to me.