so QuickBasic (4.5, etc) give you the option to compile your source for purposes of distribution but while you are coding/testing/etc it's purely interpretive.

so QuickBasic (4.5, etc) give you the option to compile your source for purposes of distribution but while you are coding/testing/etc it's purely interpretive. QB is the free to use bundled version for MS-DOS that doesn't have this feature.