This page is an outgrowth of my languages page so as to separate the two categories of comparison as well as to keep the individual pages a bit shorter than they would otherwise be.
People are funny that way.
I mean O perating S ystem. They are also kind of useful for data aquisition and process control. With a PC, I always felt limited by the software available. Linus Torvald has had a lot to do with the whole attempt to make a unix-like operating system work on microcomputers. Mostly through private email.