R
- RACF—Resource Access Control Facility
- RAD—Rapid Application Development
- RADIUS—Remote Authentication Dial In User Service
- RAID—Redundant Array of Independent Disks
- RAID—Redundant Array of Inexpensive Disks
- RAII—Resource Acquisition Is Initialization
- RAIT—Redundant Array of Inexpensive Tapes
- RAM—Random Access Memory
- RARP—Reverse Address Resolution Protocol
- RAS—Reliability, Availability and Serviceability
- RAS—Remote Access Service
- RRAS Routing and Remote Access Service
- RC—Region Code
- RC—Release Candidate
- RC—Run Commands
- RCS—Revision Control System
- RDBMS—Relational Database Management System
- RDC—Remote Desktop Connection
- RDF—Resource Description Framework
- RDM—Relational Data Model
- RDOS—Real-time Disk Operating System
- RDS—Remote Data Services
- REFAL—Recursive Functions Algorithmic Language
- REST—Representational State Transfer
- regex—Regular Expression
- regexp—Regular Expression
- RF—Radio Frequency
- RFC—Request For Comments
- RFI—Radio Frequency Interference
- RFID—Radio Frequency Identification
- RGB—Red, Green, Blue
- RGBA—Red, Green, Blue, Alpha
- RHL—Red Hat Linux
- RHEL—Red Hat Enterprise Linux
- RIA—Rich Internet Application
- RIAA—Recording Industry Association of America
- RIP—Raster Image Processor
- RIP—Routing Information Protocol
- RIR—Regional Internet registry
- RISC—Reduced Instruction Set Computer
- RISC OS—Reduced Instruction Set Computer Operating System
- RJE—Remote Job Entry
- RLE—Run-Length Encoding
- RLL—Run-Length Limited
- RMI—Remote Method Invocation
- RMS—Richard Matthew Stallman
- ROM—Read Only Memory
- ROMB—Read-Out Motherboard
- ROM-DOS—Read Only Memory - Disk Operating System
- RPC—Remote Procedure Call
- RPG—Report Program Generator
- RPM—RPM Package Manager
- RSA—Rivest Shamir Adleman
- RSI—Repetitive Strain Injury
- RSS—Radio Service Software
- RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication
- RTAI—Real-Time Application Interface
- RTC—Real-Time Clock
- RTE—Real-Time Enterprise
- RTEMS—Real-Time Executive for Multiprocessor Systems
- RTL—Right-to-Left
- RTOS—Real-Time Operating System
- RTP—Real-time Transport Protocol
- RTS—Ready To Send
- RTSP—Real Time Streaming Protocol
- RTTI—Run-time Type Information
Read more about this topic: List Of Computing And IT Abbreviations