| Abbreviation | Definition |
|---|---|
| JBOD | Just A Bunch Of Disks |
| JBOD | Just A Bunch Of Drives |
| JCC | Job Control Command |
| JCF | Job Control Format |
| JCL | Job Control Language |
| JCPTGP | Joint Committee on Postgraduate Training for General Practice |
| JCS | Jamaica Computer Society |
| JCS | Job Control Statement |
| JCS | Joint Coordinated System |
| JCT | JES Control Table |
| JCT | Journal Control Table |
| JDBC | Java Data Base Connectivity |
| JDC | Java Developer Connection |
| JDG | Java Developers Guide |
| JDI | Java Debug Interface |
| JDL | Job Description Language |
| JDQ | Joint Disk Usage |
| JECL | Job Entry Control Language |
| JEDI | Java E-mail Development Initiative |
| JEF | Java Emulation Frame |