| Abbreviation | Definition |
|---|---|
| PKZIP | File compression software designed by Phil Katz (PK). |
| PL | Patch Level |
| PL | Perl Library |
| PL | Portable Level |
| PL | Procedural Language |
| PL | Processing Layer |
| PL | Programming Language |
| PL/1 | Programming Language/one |
| PL/I | Programming Language/one |
| PLAI | Programming Languages Application and Interpretation |
| PLAS | Programming Languages |
| PLASMA | Page Link And Service Management Automation |
| PLASS | Programming Languages And Software Systems |
| PLATO | Programming Logic and Automated Teaching Operations |
| PLATO | Programming Logic for Automatic Teaching Operations |
| PLC | Paragraph Line Character |
| PLDG | Programming Languages Discussion Group |
| PLDI | Programming Language Design and Implementation |
| PLE | Personal Learning Edition |
| PLF | Pocket Lookout File |