Question

How different is Windows (in general) from the *nixes (OSX, GNU+Linux, AIX, HP/UX, MINIX, *BSD, Solaris, Xenix)?

Answer 1

Is "Very" a sufficient answer?

Answer 2

Yeah :-P

Actually, I was expecting a big TL;DR answer that identifies core similarities and differences between the OS classes, from the technical all the way to the philosophical. :(

Answer 3

then you may want to ask google

Answer 4

The core design of both systems especially the kernel. Windoews was designed as a single user system where as nix systems were designed as multi user systems from the wordf go