[BorisMelnik]

Windows 95 was the first time I remember using it, and I have been using PC's since TRS model 80. It makes sense, X means "stop" in most cases and stop essentially means close or terminate a process / app.

[kalleboo]

> It makes sense, X means "stop" in most cases

I'm trying to think of any cases where this is true. Stop signs aren't crosses, they have a special shape.