Windows Server Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing Microsoft Windows Server and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • P

    PXE (Preboot Execution Environment)

    Preboot Execution Environment (PXE) refers to various methods of getting an IBM-compatible computer, typically running Windows, to boot up without the need for a hard drive or boot diskette.

  • Q

    QDOS (86-DOS)

    QDOS was the forerunner of DOS (Disk Operating System), the first widely-used personal computer operating system.

  • Quick Fix Engineering (QFE)

    Quick Fix Engineering (QFE) is a Microsoft term for the delivery of individual service updates to its operating systems and application programs such as Word.

  • R

    read-only

    Read-only is a file attribute which only allows a user to view a file, restricting any writing to the file.

  • Receive Segment Coalescing (RSC)

    Receive Segment Coalescing (RSC) is an offload technology in Windows Server 2012 and Windows Server 2012 R2 that can help reduce how much of the CPU is used in network processing.

  • red screen of death

    The red screen of death is a term coined by some early testers of Longhorn (the code name for Microsoft's latest Windows operating system) who, in May 2005, came across an error message appearing against an all-red display screen.

  • registry virtualization (Windows Vista)

    Registry virtualization (RV) is a compatibility application that supports write operations in a registry.

  • relative identifier (RID)

    In Windows 2000, the relative identifier (RID) is the part of a security ID (SID) that uniquely identifies an account or group within a domain.

  • remote code execution (RCE)

    Remote code execution is a security vulnerability that allows an attacker to execute codes from a remote server.

  • Remote Network Access Application (RNAAPP)

    RNAAPP (Remote Network Access Application) is one of those occasionally visible yet mysterious little programs that come with the Microsoft Windows 95/98 operating system.

  • Remoting (PowerShell Remoting)

    PowerShell Remoting is a feature in PowerShell that lets admins run commands on remote systems.

  • Resilient File System (ReFS)

    Resilient File System (ReFS) is a file system developed by Microsoft for use on the Windows operating system (OS) that's designed to overcome some of the limitations in the New Technology File System (NTFS).

  • restore point

    A restore point is a saved "snapshot" of a computer's data at a specific time. Restore points are a component of the Windows System Restore utility. By creating a restore point, you can save the state of the operating system and your own data so that if future changes cause a problem, you can restore the system and your data to the way it was before the changes were made.

  • RIBLOE (Remote Insight Board -- Lights Out Edition)

    The Remote Insight Board -- Lights Out Edition (RIBLOE) is a Peripheral Component Interconnect (PCI) card intended for the remote management of Compaq servers.

  • RODC (read-only domain controller)

    A read-only domain controller (RODC) is a domain controller that hosts an Active Directory database's read-only partitions.

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