| Acronym | Meaning |
| POSIX | Portable Operating System Interface For UNIX |
| PERL | Practical Extraction And Report Language |
| ESC | Escape Character |
| MIS | Management Information System |
| ANSA | Adaptive Network Security Alliance |
| OTOH | On The Other Hand |
| IMAP | Internet Message Access Protocol |
| QCIF | Quarter Common Intermediate Format |
| IGMP | Internet Group Management Protocol |
| NIMH | Nickel Metal Hydride |