UNIX SysAdmin and Oracle DBA. Knowledge of Solaris 2.5, 2.6, AIX 4.2.1 & 4.3, and HP UX 9.x & 10.x
I use Linux at Home. I use Oracle 7.3.x on NT and AIX and HP-UX, and Have played with Oracle 8 on Linux
I also have pretty good knowledge of UNIX hardware in general (SPARC, PA-RISC, PowerPPC) and Intel.