| RDST |
Rotating Head Digital Storage Tape |
| RE |
Reverse Engineering |
| RE |
Recall |
| RE |
Regular Expression |
| RE |
Report Engine |
| REACH |
Registration, Evaluation, and Authorization of Chemicals |
| READSL2 |
Reach Enhanced ADSL2 |
| REG |
Regular Languages |
| REJ |
Reject |
| REL |
Rights Expression Language |
| REM |
Remark |
| REM |
Reseau de Enseignement Multimedia |
| REM |
Ring Error Monitor |
| REM |
Remote |
| REO |
Removable Erasable Optical Disk |
| REP |
Robots Exclusion Protocol |
| REP |
Reply to Message Number |
| REQ |
Request |
| RES |
Radio Equipment and Systems |
| RES |
Remote Execution Server/Service |
| RES |
Rotation Error Signal |
| RES |
Reset, Restore |
| RESV |
RSVP Reservation Request |
| RET |
Resolution Enhancement Technology (HP) |
| REXX |
Restructured Extended Executor (IBM) |
| RF |
Royalty Free (License) |
| RF |
Remote File |
| RF |
Relevance Feedback |
| RF |
Radio Frequency |
| RFA |
Request For Adoption (Debian) |
| RFA |
Remote File Access |
| RFC |
Response For a Class |
| RFC |
Request For Comments (Internet) |
| RFC |
Remote Function Call |
| RFD |
Request For Discussion (Usenet) |
| RFE |
Radio Free Ethernet |
| RFE |
Request For Enhancement |
| RFH |
Remote Frame Handler |
| RFI |
Request For Information |
| RFLA |
Real Full Look Ahead |
| RFNM |
Ready For Next Message |
| RFP |
Request For Proposal |
| RFP |
Request For Packaging (Debian) |
| RFP |
Radio Fixed Parts |
| RFQ |
Request For Quotation/Quote |
| RFS |
Remote File Sharing/System |
| RFT |
Revisable Format Text |
| RFT |
Request For Technology (OSF) |
| RFU |
Reserved for Future Use |
| RG/U |
Radio Guide/Utility (Kabel) |