| Acronym | Meaning |
| OTOH | On The Other Hand |
| RSVP | Resource Reservation Setup Protocol |
| RPG | Report Program Generator |
| RFC | Request For Comments |
| SMP | Simple Management Protocol |
| PDC | Primary Domain Controller |
| RADIUS | Remote Authentication Dial-In User Service |
| LDAP | Lightweight Directory Access Protocol |
| CODASYL | Conference On Data Systems Languages |
| DASD | Direct Access Storage Device |