How can I exit Microsoft GW-BASIC, IBM BASICA, or other similar old dialects of BASIC?

Question

Microsoft BASIC, GW-BASIC and BASICA all use a prompt that looks like this:

I can\'t figure out how to exit any of these. Typing END does not e

Answer 1

Type "system" and hit enter to exit GW-BASIC in DOS.

Type "shell" and hit enter to go to DOS but still have GW-BASIC in memory. Type "exit" while in DOS to return to GW-BASIC.