I am an Unix System Programmer by trade, but I consider myself be also an operating system specialist, seeing as my current job-function is supporting Windows 95, Windows NT and a bit of Linux.  I have done various Unix installations, as well as Windows 95 and NT.  As far as ahrdware goes, I am also an expert in that field (I have my own PC Shop going).

Basically anything regarding PC's and sometimes Servers I will usually figure out something to get past the problem (that's to say if I haven't already done so)