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Operating systems

Definitions related to operating systems, including tech terms about open source and proprietary operating systems and words and phrases about system programs, boot mechanisms, kernels, command interpreters, DLL libraries and drivers.
  • pipe - In computer programming, especially in Unix operating systems (OSes), a pipe is a technique for passing information from one program process or command to another.
  • POSIX (Portable Operating System Interface) - POSIX (Portable Operating System Interface) is a set of standard operating system interfaces based on the Unix operating system.
  • POST (Power-On Self-Test) - A Power-On Self-Test (POST) is an operation initiated by a computer after it has been turned on but before it boots up the OS.
  • PowerFlex (formerly ScaleIO) - PowerFlex is a software-defined storage product from Dell EMC.
  • principle of least privilege (POLP) - The principle of least privilege (POLP) is a concept in computer security that limits users' access rights to only what is strictly required to do their jobs.
  • process - A process is an instance of a program running in a computer.
  • race condition - A race condition is an undesirable situation that occurs when a device or system attempts to perform two or more operations at the same time, but because of the nature of the device or system, the operations must be done in the proper sequence to be done correctly.
  • real-time operating system (RTOS) - A real-time operating system (RTOS) is an OS that guarantees real-time applications a certain capability within a specified deadline.
  • Red Hat Enterprise Linux (RHEL) - Red Hat Enterprise Linux (RHEL) is an enterprise Linux operating system (OS) developed by Red Hat for the business market.
  • registry key - In the Windows 98, CE, NT, and 2000 operating systems, a registry key is an organizational unit in the Windows registry.
  • restore point - A system restore point is a backup copy of important Windows operating system (OS) files and settings that can be used to recover the system to an earlier point of time in the event of system failure or instability.
  • runlevel - A runlevel is an operating state on a Unix and Unix-based operating system that is preset on the Linux-based system.
  • SAP Basis - Basis is a set of middleware programs and tools from SAP, the German company whose comprehensive R/3 product is used to help manage large corporations.
  • security identifier (SID) - In the context of Windows computing and Microsoft Active Directory (AD), a security identifier (SID) is a unique value that is used to identify any security entity that the operating system (OS) can authenticate.
  • shell program - A shell program is software that provides users with an interface for accessing services in the kernel.
  • shell script - A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.
  • software - Software is a set of instructions, data or programs used to operate computers and execute specific tasks.
  • sudo (su 'do') - Sudo is a command-line utility for Unix and Unix-based operating systems such as Linux and macOS.
  • sunsetting - Sunsetting is the intentional phasing out or termination of something, and in business, the term is used often regarding brands, partnerships, agreements, policies, and hardware and software.
  • Superdome - Superdome is a high-end 64-bit, Hewlett Packard Enterprise (HPE) PA-8600 processor-based UNIX server designed for e-commerce customers using very large databases.
  • supervisor call (SVC) - In computers, especially IBM mainframes, a supervisor call (SVC) is a processor instruction that directs the processor to pass control of the computer to the operating system's supervisor program.
  • SUSE - SUSE (pronounced soo-sah) is a multinational company that offers enterprise-grade open source products based on Linux technologies.
  • Sysprep (System Preparation Tool) - Sysprep is Microsoft's System Preparation tool intended to duplicate, test and deliver new installations for the Windows operating system based on an established installation.
  • system software - System software is a type of computer program that is designed to run a computer's hardware and application programs.
  • system tray - The system tray (or "systray") is a section of the taskbars in the Microsoft Windows operating system user interface that provides easy access icons to the user's most commonly used apps and displays the clock.
  • Task Manager - Task Manager, which was previously known as Microsoft Windows Task Manager, is a component of the Windows operating system (OS) that helps administrators and end users monitor, manage and troubleshoot tasks.
  • timestamp - A timestamp is the current time of an event that a computer records.
  • Ubuntu - Ubuntu (pronounced oo-BOON-too) is a free, open source operating system (OS) based on Debian Linux.
  • Unix - Unix -- trademarked as UNIX -- is a multiuser, multitasking operating system (OS) designed for flexibility and adaptability.
  • virtual appliance - Considered a software equivalent of a hardware device, a virtual appliance (VA) is a preconfigured software solution.
  • virtual machine (VM) - A virtual machine (VM) is an operating system (OS) or application environment installed on software that imitates dedicated hardware.
  • virtualization - Virtualization is the creation of a virtual version of an actual piece of technology, such as an operating system (OS), a server, a storage device or a network resource.
  • webOS - WebOS is an LG-owned, Linux-based operating system for smart devices, particularly smart TVs.
  • What is patch management? Lifecycle, benefits and best practices - Patch management is the subset of systems management that involves identifying, acquiring, testing and installing patches, or code changes, that are intended to fix bugs, close security holes or add features.
  • What is server virtualization? The ultimate guide - Server virtualization is a process that creates and abstracts multiple virtual instances on a single server.
  • window - A window is a separate viewing area on a computer display screen in a system that allows multiple viewing areas as part of a graphical user interface (GUI).
  • Windows 10 (Microsoft Windows 10) - Windows 10 is a Microsoft operating system for personal computers, tablets, embedded devices and internet of things devices.
  • Windows 7 - Windows 7 is the Microsoft Windows operating system (OS) released commercially in October 2009 as the successor to Windows Vista.
  • Windows Embedded - Windows Embedded is Microsoft’s embedded operating systems  product group.
  • Windows Management Instrumentation Command-line (WMIC) utility - The Windows Management Instrumentation Command-line (WMIC) utility is a command-line interface for working with Windows Management Instrumentation (WMI), a framework for managing data and operations on a Windows computer.
  • Windows NT - Windows NT was a family of operating systems (OS) developed by Microsoft for personal computers and servers.
  • Windows Registry Editor (regedit) - The Windows Registry Editor (regedit) is a graphical tool in the Microsoft Windows operating system (OS) that enables authorized users to view the Windows registry and make changes.
  • z/OS - Introduced in 2000, IBM z/OS is a 64-bit mainframe operating system (OS) developed by IBM for its family of enterprise z/Architecture mainframe computers.
Networking
Security
  • cloud security

    Cloud security, also known as 'cloud computing security,' is a set of policies, practices and controls deployed to protect ...

  • privacy impact assessment (PIA)

    A privacy impact assessment (PIA) is a method for identifying and assessing privacy risks throughout the development lifecycle of...

  • proof of concept (PoC) exploit

    A proof of concept (PoC) exploit is a nonharmful attack against a computer or network. PoC exploits are not meant to cause harm, ...

CIO
  • data collection

    Data collection is the process of gathering data for use in business decision-making, strategic planning, research and other ...

  • chief trust officer

    A chief trust officer (CTrO) in the IT industry is an executive job title given to the person responsible for building confidence...

  • green IT (green information technology)

    Green IT (green information technology) is the practice of creating and using environmentally sustainable computing resources.

HRSoftware
  • diversity, equity and inclusion (DEI)

    Diversity, equity and inclusion is a term used to describe policies and programs that promote the representation and ...

  • ADP Mobile Solutions

    ADP Mobile Solutions is a self-service mobile app that enables employees to access work records such as pay, schedules, timecards...

  • director of employee engagement

    Director of employee engagement is one of the job titles for a human resources (HR) manager who is responsible for an ...

Customer Experience
  • digital marketing

    Digital marketing is the promotion and marketing of goods and services to consumers through digital channels and electronic ...

  • contact center schedule adherence

    Contact center schedule adherence is a standard metric used in business contact centers to determine whether contact center ...

  • customer retention

    Customer retention is a metric that measures customer loyalty, or an organization's ability to retain customers over time.

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