I learned C on PowerC that I got in a bundle that also included a C Primer from the Waite group. The primer came with a DOS-based C course with interactive quiz

I learned C on PowerC that I got in a bundle that also included a C Primer from the Waite group. The primer came with a DOS-based C course with interactive quizzes. It was a fantastic combo. Oh... And my powerC edition included the full source code of their standard C library!