How to find VERSION of UNIX OS

[Doug Gwyn]

In article <3592 at charon.cwi.nl> dik at cwi.nl (Dik T. Winter) writes:
>And to use uname to do it you have to know the version first.

No, in fact on the half-a-zillion UNIX systems on which I have accounts,
I can type "uname -a" on all of them and get the version information.
That's because when I log in I set up my PATH environment variable to
include ALL the potential system software directories, not just /bin.