Redundant Array of Independent (or Inexpensive) Disks. Type of disk, often used on servers, where several physical disks are combined into an array for better speed and fault tolerance. Level 0 -...


Random Access Memory, a type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes. RAM is the most common type of...


Request For Comments , The name of the result and the process for creating a standard on the Internet. New standards are proposed and published on line, as a Request For Comments. The Internet...


Rich Text Format , A method of encoding text formatting and document structure using the ASCII character set. Byconvention, RTF files have an RTF filename extension.

 Rack Space

Physical storage unit for computers or network devices.

 Radio Button

A form field that presents the user with a selection that can be chosen by clicking on a button. Radio buttons are presented in a list, one of which is selected by default. Selecting a new member...

 Raw Logs

Raw access data updated in real-time that can be downloaded and used by any statistics program. Typically each line show the user's IP, date and time of the access, what kind of request was done,...

 Real Audio / Real Video

Real Audio/Real Video enables users of personal computers and other consumer electronic devices to send and receive audio, video and other multimedia services using the Web. Enable users of...

 Real-Time Credit Card Transaction Processing

Includes the establishment of Internet merchant accounts, and provides the ability to immediately accept and process credit cards online including authorization and daily online settlements.

 Register (Domain Name)

Since every domain is unique, registries have been set up to assign domains to individuals and organizations. When a domain is registered with the appropriate registry, that domain is assigned and...

 Registered User

A user of a Website with a recorded name and password.

 Registrant (Domain Name)

The entity, organization or individual that will be using the domain name.

 Registrar (Domain Name)

Some registries don't provide the ability for end users to register domains with them directly. They might require end users to purchase the domain through an internet provider that is acting as...

 Registry (Domain Name)

An organization responsible for assigning domain names for the TLD that they manage. Furthermore, it is their responsibility to update the global DNS tables that all nameservers use to resolve...

 Relative URL

The Internet address of a page or other World Wide Web resource with respect to the Internet address of the current page. A relative URL gives the path from the current location of the page to the...

 Remote Access

When you access a computer that you are unable to see. This is done via a modem or computer network.

 Renewal (Domain Name)

Most TLDs need to be renewed at some scheduled yearly interval. This is an opportunity for both the registrant and the registry to update their records as well as collect any applicable renewal fees.


Resellers are usually smaller companies that still try to build their customers base. They don't own the server with user accounts but can perform most administrative functions.

 Resolution (Domain Name)

The conversion of an internet address or domain name into the corresponding physical location.


To completely or partially return your system to a previous file configuration state by uploading backup files from an archive.

 Reverse DNS

Reverse Domain Name System , Name resolution software that looks up an IP address to obtain a domain name. It performs the opposite function of the DNS server, which turns names into IP addresses.

 Root web

To access the root web, you supply the URL of the server without specifying a page name.


A special-purpose computer (or software package) that handles the connection between 2 or more networks. Routers spend all their time looking at the destination addresses of the packets passing...


In a table, a horizontal collection of cells.