A magic feature of BASIC was that you didn't need to learn different editors to get started. It was based on line numbers, so the line number was how you added,

A magic feature of BASIC was that you didn't need to learn different editors to get started. It was based on line numbers, so the line number was how you added, changed, and deleted lines. I could walk into a computer store in early/mid 1980's at the mall, spot a model of microcomputer I never encountered before, and could type: 10 PRINT "Oh no! Something is going to blow! Run!" 20 GOTO 10 RUN Then scurry off while snickering.