| Acronym | Meaning |
| HP | Hewlett-Packard |
| PDL | Page Description Language |
| NSF | National Science Foundation |
| API | Application Program(ming) Interface |
| XSL | Extensible Style Language |
| SMP | Symmetric Multiprocessing |
| LILO | Linux Loader |
| INTERNIC | Internet Network Information Center |
| IANA | Internet Assigned Numbers Authority |
| IPX | Internetwork Packet Exchange |