The root account is the Linux superuser with user ID 0, which bypasses normal file permissions and can change every part of…
Rooting is the process of gaining root-level administrator access on an Android device, removing protections that the mobile security model depends on.
A rootkit is stealth malware that hides itself and other malicious activity by subverting the operating system, firmware or boot process it…
ROS 2 is an open-source robotics middleware and toolset whose ros2_control framework connects controllers such as PID loops to real robot hardware.
Rosetta 2 is the macOS translation layer that lets apps built for Intel x86-64 processors run on Macs with Apple silicon by…
Rotoscoping is the frame-by-frame creation of shapes or mattes that isolate an object in footage so it can be composited, treated or…
Round robin is a load balancing method that sends each new request or connection to the next server in a fixed rotation,…
A router is a network device that forwards IP packets between separate networks, choosing each next hop from its routing table by…
A routine in home automation is a named sequence of actions that a smart home platform runs when a trigger occurs, such…
A routing table is the list of destination prefixes and next hops that a router or host consults to decide where to…
Row-level security is a database security feature that filters which table rows each user can read or change, using policies enforced by…
RPM is the low-level Linux package format and tool used by Fedora, RHEL and openSUSE to install, verify and remove software packages…
RPO, the recovery point objective, is the maximum amount of recent data, measured in time, that a server system may lose after…
RSA is a public-key cryptography algorithm whose security rests on factoring large integers, used for digital signatures and, historically, key transport.
An RSS feed for podcasts is an XML file that lists a show's episodes and audio file locations so apps can find,…
RTK GPS is a satellite positioning method that uses carrier-phase corrections from a base station to give robots centimeter-level position in real…
RTMP, the Real-Time Messaging Protocol, is a TCP-based protocol used mainly to send live video from an encoder to a streaming platform…
RTO, the recovery time objective, is the maximum acceptable time a server or service may stay down after a disruption before it…
A rug pull is a crypto scam in which project insiders attract funds from buyers and then drain liquidity or treasury assets,…
The rule of thirds is a composition guideline in photography that places key elements along lines dividing the frame into thirds for…
A runtime is the software environment that loads, executes and manages a program while it runs, providing memory management, libraries and system…
Rust is a compiled systems programming language that guarantees memory safety without a garbage collector through ownership and borrow checking.
RWA, short for real-world assets, means tokens on a blockchain that represent off-chain assets such as bonds, credit, real estate or commodities.