Data centers
Definitions used in data center management, including hardware, virtualization and cloud computing.
Data backup and disaster recovery
Terms related to backup and recovery, including definitions about making copies of data and words and phrases about restoring original data after a data loss event.
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What is a forensic image?
A forensic image (forensic copy) is a bit-by-bit, sector-by-sector direct copy of a physical storage device, including all files, folders, and unallocated, free and slack space.
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What is a tabletop exercise (TTX)?
A tabletop exercise (TTX) is a disaster preparedness activity that takes participants through a simulated disaster scenario.
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What is crisis communication?
Crisis communication is a strategic approach to corresponding with people and organizations during a disruptive event.
Data center management
Terms related to data centers, including definitions about network operations centers (NOCs) and words and phrases about the storage, management and the transmission of data.
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What is a tabletop exercise (TTX)?
A tabletop exercise (TTX) is a disaster preparedness activity that takes participants through a simulated disaster scenario.
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What is data migration? Definition, strategy and best practices
Data migration is the process of transferring data between data storage systems, data formats or computer systems.
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What is data in use?
Data in use is data that is currently being updated, processed, erased, accessed or read by a system, application, user or device.
Linux
Definitions related to Linux, including tech terms about open source and words and phrases about Linux distributions and software development.
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What is the 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.
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What is Bash (Bourne Again Shell)?
Bash (Bourne Again Shell) is the free and enhanced version of the Bourne shell distributed with Linux and GNU operating systems.
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What is a remote desktop and how does it work?
A remote desktop is a program or an operating system feature that allows a user to connect to a computer in another location, see that computer's desktop and interact with it as if it were local.
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.
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What is defragmentation?
Defragmentation, also known as 'defragging' or 'defrag,' is the process of rearranging the data on a storage medium, such as a hard disk drive (HDD), to ensure efficient storage and access.
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What is iCloud?
Apple's iCloud is a free service that stores subscribers' photos, videos, documents, apps and more and updates everything across users' synced devices.
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What is a mobile operating system?
A mobile operating system (OS) is software that enables smartphones, tablets and other devices to run applications and programs.
Storage Admin
Terms related to data storage management, including definitions about enterprise storage and words and phrases about storage infrastructure, storage capacity and hierarchical storage management (HSM).
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What is a SAN switch? How it works and compares to other network switches
A SAN switch (storage area network switch) is a device that connects servers and shared pools of storage devices and is dedicated to moving storage traffic.
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What is defragmentation?
Defragmentation, also known as 'defragging' or 'defrag,' is the process of rearranging the data on a storage medium, such as a hard disk drive (HDD), to ensure efficient storage and access.
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What is data in use?
Data in use is data that is currently being updated, processed, erased, accessed or read by a system, application, user or device.
Storage and Data Mgmt
Definitions about storage and data management including backup/recovery vocabulary, business intelligence terminology, storage area networks and database management.
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What is a SAN switch? How it works and compares to other network switches
A SAN switch (storage area network switch) is a device that connects servers and shared pools of storage devices and is dedicated to moving storage traffic.
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What is a Fibre Channel switch (FC switch)? How it works, benefits and comparison to Ethernet switch
A Fibre Channel (FC) switch is a networking device that's compatible with the FC protocol and designed for use in a dedicated storage area network (SAN).
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What is Fibre Channel? History, layers, components and design
Fibre Channel is a high-speed networking technology primarily used for transmitting data among data centers, computer servers, switches and storage at data rates of up to 128 gigabits per second (Gbps).
Virtualization
Terms related to virtualization, including definitions about virtualization technologies and words and phrases about server virtualization, desktop virtualization and storage virtualization.
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What is a virtual storage area network (VSAN)? How it works, benefits and use cases
A virtual storage area network (VSAN) is a logical partition in a physical storage area network, or SAN.
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What is a graphics processing unit (GPU)?
A graphics processing unit (GPU) is a computer chip that renders graphics and images by performing rapid mathematical calculations.
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What is a container image?
A container image is a fixed, static file with executable code to run an isolated process on IT infrastructure.