Oh, how many hours I spent in front of that TUI. QBasic was how programming should be. It's amazingly simple to understand (at the cost of ugly and somewhat verbose syntax). It doesn't force any mental burdens on you, and it included both a compiler and a interpreter, so you could run your programs instantly (with array out-of-bounds and overflow checking) and have a fast, compiled version.

I wrote plenty of programs that worked the first time I ran them, something that seldom happened to me in more modern programming environments, which put many mental burdens on you, and encourage writing fast and sloppily, and then improving your mistakes afterwards. You don't need any boilerplate - I regularly used QBasic to just plot a graph for example (in a program written from scratch).

Also, I like the approach to pointers is very nice, I think. There are no pointers. You need to PEEK or POKE into memory! In C you do

    a = *b

In QBasic you do

    a = PEEK(b)

Which is so easy to understand that I sometimes wonder if pointers is C are even an improvement to this. I'm probably being a bit nostalgic here, but I genuinely miss the feeling of mastery and understanding I had when I used QBASIC. I could do anything I needed inside the editor. No plethora of tabs and windows. In my opinion, programming is too complicated nowadays.

Edit: More nostalgy! The help system was absolutely amazing. It was possible to read a keyword for the first time, press F1, and two minutes later you would actually understand the statement. Something I never experienced afterwards.