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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write-through
Write-through is a storage method in which data is written into the cache and the corresponding main memory location at the same time.
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write-back
Write-back is a technique used to cache data between the local processor or central processing unit and the final storage location, which is typically either main memory -- RAM -- or disk.
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backup storage device
A backup storage device is used to make copies of data that’'s actively in use.
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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business process
A business process is an activity or set of activities that accomplish a specific organizational goal. Business processes should have purposeful goals, be as specific as possible and produce consistent outcomes.
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thread
A thread is, fundamentally, a clear, well-defined theme, subject, topic or focus.
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critical infrastructure
Critical infrastructure is the collection of systems, networks and public works that a government considers essential to its functioning and safety of its citizens.
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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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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Ubuntu
Ubuntu (pronounced oo-BOON-too) is a free, open source operating system (OS) based on Debian Linux.
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open system
In computing, an open system is a platform that can be modified and extended and has freely available documentation.
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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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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Android Open Source Project (AOSP)
The Android Open Source Project (AOSP) is the repository of source code and the foundation which maintains it that is responsible for the core of the Android operating system.
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Apple iOS
Apple iOS is a proprietary mobile operating system that runs on mobile devices such as the iPhone and iPad.
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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RAID 4 (redundant array of independent disks)
RAID 4 (redundant array of independent disks) is a RAID configuration that uses a dedicated parity disk and block-level striping across multiple disks.
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write-through
Write-through is a storage method in which data is written into the cache and the corresponding main memory location at the same time.
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write-back
Write-back is a technique used to cache data between the local processor or central processing unit and the final storage location, which is typically either main memory -- RAM -- or disk.
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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RAID 4 (redundant array of independent disks)
RAID 4 (redundant array of independent disks) is a RAID configuration that uses a dedicated parity disk and block-level striping across multiple disks.
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I/O (input/output)
I/O (input/output), pronounced "eye-oh," describes any operation, program or device that transfers data to or from a computer.
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off-site backup
Off-site backup is a method of backing up data to a remote server or to media that's transported off site.
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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Citrix StoreFront
Citrix StoreFront is an enterprise application store that provides an interface for users to access Citrix Virtual Apps -- formerly XenApp apps -- and Citrix Virtual Desktops -- formerly XenDesktop -- remotely.
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Docker
Docker is an open source software platform used to create, deploy and manage virtualized application containers on a common operating system (OS), with an ecosystem of allied tools.
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virtual CPU (vCPU)
A virtual CPU (vCPU) is the processor of a virtual machine (VM).