I think I started playing with it after 2003.
Not quite ... I got my first home Unix machine (it ran a beta Unix System V/R2) around Thanksgiving 1985. I've been a Unix user since September 1981.
Modern Linux is something is something I worked much of my adult life to see happen (I've contributed code to dozens of different Open Source software packages, from glibc and the Linux kernel to sendmail to PostgreSQL), I signed on to the Open Source movement when I got introduced to Emacs in 1987, which of course, was before Open Source got its proper name.
I think I started playing with it after 2003.
That's a pretty good time, actually. Linux distros started picking up polish 2001/2002.
Of course, the burning question is ... Emacs or VI?
> I wonder if that is a record for longest user of Unix around here....sure beats mine.
I obtained my first AT&T 3B2/300 32-bit Unix SysV minicomputer in mid-1985 -- that's the same year as altair. I don't recall the month, though, so I'll yield. :)
That box changed my life. I had started programming in C a few years before, but the Unix environment and I immediately got along like old buddies, and it's still my favorite OS.