| Abbreviation | Definition |
|---|---|
| PU | Primary User |
| PUA | Potentially Unwanted Application |
| PUB | Pop-Up Blocker |
| PUC | Personal Update Checker |
| PUD | Page Upper Directory |
| PUD | Penks Underbred Distro |
| PUFF | Powerpoint Usability Feedback Function |
| PUK | Pop Up Killer |
| PUM | PeopleSoft Update Manager |
| PUPA | Preliminary Universal Programming Architecture |
| PUPS | Portable UNIX Programming System |
| PUT | Parameterized Unit Testing |
| PUW | Pop- Up Window |
| PUW | Pro- Util for Windows |
| PVC | Primary Version Control |
| PVM | Parallel Virtual Machine |
| PVR | Package Version Revision |
| PVS | Principal Variation Search |
| PVV | Python Volume Viewer |
| PVW | PictView for Windows |