- Retired Programmer
- FORmula TRANslation Version IV (FORTRAN IV)
- IBM Basic Assembly Language/360 (BAL/360)
- IBM Programming Language/I (PL/I)
- Retired System Administrator
- Virtual Machine/System Product Version 1 (VM/SP1)
- Advanced Interactiive Executive (AIX)
- Here to learn how to use the Xen Hypervisor to gracefully migrate my personal server across generations of hardware and software.