Glossary
Search Azure terms
Open a clear definition, then continue into exam context, architecture, commands, operational examples, common mistakes, and related concepts.
Search all
Commands
Learning guides
Concept graph
Compare
Search-first Azure knowledge base
Term results
Search for a term or click a category. Results render only after you ask for them, so the glossary does not dump every available term on first load. Each result includes Quick peek and Open full term page actions.
Start with a search or a category.
Try managed identity , resource group , az group , private endpoint , or click Databases to load all database-related terms.
Showing 50 of 1,485 matching terms. Narrow the search to reduce the list.
Storage
premium
Azure Files premium share
Azure Files premium share is an Azure Files share backed by premium storage for workloads that need predictable capacity, IOPS, and throughput. It helps application and storage architects give latency-sensitive file workloads managed storage with provisioned performance without guessing whether standard file shares can meet peak demand. You see it when profile containers, engineering tools, build systems, analytics staging, or transactional applications require faster shared file access. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
Premium file shares
intermediate
4 commands
Aliases: Premium Azure file share, SSD Azure file share
Quick peek
Open full term page
Storage
field-manual-complete
Premium storage account
A premium storage account is not just a normal storage account with a fancy name.
Storage accounts
advanced
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
field-manual-complete
Premium file share
A premium file share is a high-performance Azure file share for workloads that still need a shared file system.
Files, queues, and tables
fundamentals
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
premium
File service endpoint
A File service endpoint is the Azure Storage endpoint used by clients and services to access Azure Files shares in a storage account through supported protocols and network paths. Teams use it to connect applications, users, file sync agents, and automation to Azure file shares through the correct public endpoint, private endpoint, or virtual network service endpoint path. It is not a file share itself, a private endpoint by itself, a DNS record alone, authorization proof, or a guarantee that SMB, NFS, FileREST, firewall, and identity settings all match.
Azure Files
intermediate
6 commands
Aliases: Azure Files endpoint, storage file endpoint, file endpoint, Azure Storage file service endpoint
Quick peek
Open full term page
Storage
premium
Azure file share
An Azure file share is a managed cloud share hosted by Azure Files. It behaves like a network file share, but Microsoft runs the storage service instead of your team maintaining file servers, disks, operating systems, and failover.
Files, queues, and tables
fundamentals
5 commands
Aliases: Azure Files share
Quick peek
Open full term page
Storage
premium
Azure NetApp Files
Azure NetApp Files provides managed enterprise SMB and NFS volumes in Azure for performance-sensitive file workloads.
Backup and recovery
intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
premium
Kerberos authentication for Azure Files
Kerberos authentication for Azure Files is the identity-based SMB authentication option that lets Azure file shares use Kerberos with a supported directory identity source instead of only storage keys or SAS.
Azure Files
advanced
5 commands
Aliases: Azure Files Kerberos, Microsoft Entra Kerberos for Azure Files, identity-based authentication for Azure Files, SMB Kerberos Azure Files
Quick peek
Open full term page
Storage
premium
Large file share
Migrate a file server or NAS volume that has grown beyond small-share limits without splitting every application path immediately.; Set a quota large enough for migration staging while still preserving cost ownership and
Storage platform
intermediate
5 commands
Aliases: Large file share, large file share
Quick peek
Open full term page
Storage
premium
Azure File Sync
Azure File Sync syncs Azure file shares with Windows Server file servers so users keep familiar local access while data is centralized in Azure Files. It helps infrastructure teams modernize branch and data center file services without forcing every user and application to change paths on day one. You see it when Windows file server migrations, branch caching, cloud tiering, disaster recovery staging, or phased moves to Azure Files. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
Hybrid file services
intermediate
4 commands
Aliases: File Sync, Storage Sync Service
Quick peek
Open full term page
Storage
premium
Azure Files backup
Azure Files backup protects Azure file shares using Azure Backup policies, recovery points, snapshots, and supported vaulted backup options. It helps backup and platform teams recover shared file data after accidental deletion, ransomware, or operator mistakes without managing separate backup servers or unreviewed snapshot scripts. You see it when business file shares need retention, recovery testing, policy enforcement, ransomware recovery, or evidence for data protection audits. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
Backup and recovery
intermediate
4 commands
Aliases: Azure file share backup, Azure Backup for Azure Files
Quick peek
Open full term page
Storage
premium
Azure Files NFS
Azure Files NFS is the Azure Files capability for mounting managed file shares from Linux clients using the NFS protocol. It helps Linux, analytics, and platform teams run shared-file workloads without building their own NFS servers without maintaining NAS hardware or custom Linux file servers. You see it when Linux applications need shared storage, analytics jobs need common paths, or teams want managed NFS access with Azure storage operations. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
NFS file shares
intermediate
4 commands
Aliases: NFS Azure file shares, Azure Files NFS protocol
Quick peek
Open full term page
Storage
premium
Azure Files NFS share
Azure Files NFS share is a specific Azure file share created for NFS access rather than SMB access. It helps Linux application owners and storage teams give workloads a managed shared POSIX-style file path without operating separate NFS appliances for every project. You see it when research clusters, Linux application farms, container platforms, or data processing systems need one shared path across many clients. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
NFS file shares
intermediate
4 commands
Aliases: NFS file share, NFS Azure file share
Quick peek
Open full term page
Storage
premium
Azure Files private endpoint
Azure Files private endpoint connects Azure file share traffic to a storage account through a private IP address in a virtual network. It helps network, security, and storage teams keep SMB or NFS access on private network paths without exposing file access directly over public endpoints. You see it when regulated workloads need private access, branch users connect through VPN, or applications must mount shares without public storage exposure. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
Private connectivity
intermediate
4 commands
Aliases: Private endpoint for Azure Files, Azure Files Private Link
Quick peek
Open full term page
Storage
premium
Azure Files SMB
Azure Files SMB is the Azure Files capability for mounting managed file shares through the Server Message Block protocol. It helps Windows, app, and infrastructure teams move familiar mapped-drive and application share patterns to Azure without running and patching Windows file servers for common shared storage. You see it when Windows users need mapped drives, apps expect UNC paths, profile containers need shared storage, or branch offices need cloud-backed shares. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
SMB file shares
intermediate
4 commands
Aliases: SMB Azure file shares, Azure Files SMB protocol
Quick peek
Open full term page
Storage
premium
Azure Files SMB share
Azure Files SMB share is a specific Azure file share exposed through SMB for users, Windows applications, or services that need a shared UNC path. It helps application owners and desktop teams provide a managed mapped-drive style location without building another Windows Server just for one share. You see it when department folders, Windows application data, FSLogix profiles, installation repositories, or shared reports need cloud-backed SMB access. It still needs ownership, network design, monitoring, and recovery planning. Operators need repeatable evidence for deployment, protection, troubleshooting, and reviews, not screenshots or tribal knowledge.
SMB file shares
intermediate
4 commands
Aliases: SMB file share, SMB Azure file share
Quick peek
Open full term page
Storage
premium
File share
A file share is the named shared folder boundary that people, applications, or servers mount and use for files. In Azure, it usually means an Azure Files share inside a storage account. The share is where directories, documents.
Azure Files
fundamentals
4 commands
Aliases: File share, file share
Quick peek
Open full term page
Storage
premium
File share soft delete
File share soft delete is a data protection setting that retains deleted Azure file shares for a configured recovery period before permanent deletion in Azure.
Azure Files
intermediate
4 commands
Aliases: File share soft delete, file share soft delete
Quick peek
Open full term page
Storage
premium
NFS file share
Migrate Linux applications that expect NFS paths without standing up and patching a self-managed file server.; Provide AKS pods, batch jobs, or HPC workers with a shared managed file system reachable through private netw
Azure Files
intermediate
4 commands
Aliases: Azure Files NFS share, NFS Azure file share, NFSv4.1 file share, NFS file share, nfs file share
Quick peek
Open full term page
Storage
complete
Standard file share
Microsoft Learn describes Azure Files standard file shares as fully managed file shares backed by HDD storage, commonly created in general-purpose storage accounts or classic file share models. They suit general-purpose SMB workloads where cost, access tiers, snapshots, sync, and managed service operations matter more than premium SSD latency.
Azure Files
intermediate
5 commands
Aliases: standard-file-share, Standard file share, Azure Files standard share, HDD file share, pay-as-you-go file share, standard Azure Files share
Quick peek
Open full term page
Analytics
premium
External file format
An External file format is a database object that describes the file type, delimiter, compression, and parsing options used to read or write external data. Teams use it to tell SQL engines how to interpret external files such as delimited text, Parquet, ORC, or compressed data before external tables and CETAS jobs use them. It is not the data source location, the external table schema, the actual lake file, or a guarantee that every file in a folder has the same structure.
Synapse SQL and data virtualization
intermediate
6 commands
Aliases: CREATE EXTERNAL FILE FORMAT, PolyBase file format, Synapse external file format
Quick peek
Open full term page
Storage
premium
Data Lake file system
A Data Lake file system is the top-level container namespace in Azure Data Lake Storage Gen2 that holds directories and files for analytics workloads.
Data Lake Storage Gen2
fundamentals
5 commands
Aliases: ADLS file system, Data Lake Storage file system, Gen2 file system, lake container
Quick peek
Open full term page
Storage
premium
Data Lake filesystem
Data Lake filesystem is the compact API and CLI naming for the ADLS Gen2 file-system resource that contains directories and files.
Data Lake Storage Gen2
fundamentals
5 commands
Aliases: filesystem, ADLS filesystem, storage fs, Azure storage fs
Quick peek
Open full term page
Management and Governance
premium
Bicep parameter file
A Bicep parameter file is where you put values that change by environment, such as names, SKUs, regions, and flags. The main Bicep file stays reusable, while each parameter file tells Azure what values to use for dev, test, or production.
Bicep
fundamentals
4 commands
Aliases: bicepparam
Quick peek
Open full term page
Storage
premium
File share quota
File share quota is the configured capacity limit for an Azure Files share, expressed in GiB and interpreted by the share billing model in Azure.
Azure Files
intermediate
4 commands
Aliases: File share quota, file share quota
Quick peek
Open full term page
Storage
premium
File share snapshot
File share snapshot is a point-in-time copy of an Azure Files share that can help recover earlier versions of files and directories in Azure.
Azure Files
intermediate
4 commands
Aliases: File share snapshot, file share snapshot
Quick peek
Open full term page
Storage
premium
Filesystem in Data Lake Storage
Filesystem in Data Lake Storage is the top-level container-like namespace in Azure Data Lake Storage Gen2 that holds directories and files in Azure.
Data Lake Storage Gen2
intermediate
4 commands
Aliases: Filesystem in Data Lake Storage, filesystem in data lake storage
Quick peek
Open full term page
Storage
premium
Local filesystem
Microsoft Learn describes App Service file access as a managed sandbox with persistent and temporary filesystem locations for deployed content, logs, and runtime operations. Apps can read and write allowed paths, but storage behavior differs by platform, plan, and deployment method.
Storage
advanced
4 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
field-manual-complete
Azure Files
Azure Files provides managed SMB and NFS file shares in Azure for applications, users, containers, and virtual machines that still need file-system access.
Managed file shares
fundamentals
5 commands
Aliases: Azure file shares, Azure managed file shares, cloud file shares
Quick peek
Open full term page
Storage
field-manual-complete
Premium block blob account
A premium block blob account is a special Azure Storage account for blob workloads that care more about low latency and high transaction rates than the lowest storage price.
Storage accounts
fundamentals
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Web
field-manual-complete
Premium v3 App Service tier
Premium v3 is a higher App Service plan tier for apps that need more dedicated compute, memory, or scale than lower tiers provide.
App Service plans
intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
field-manual-complete
Private endpoint for Azure Files
A private endpoint for Azure Files is the private network path to file shares in a storage account. Instead of mounting or accessing the share through the public file endpoint, clients in approved networks reach a private IP tied to the file service. The share, authentication model, and storage account still matter; the endpoint only changes network reachability. It is especially important for SMB access from Azure workloads, virtual desktops, build systems, and hybrid clients connected through VPN or ExpressRoute.
Azure Files
advanced
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Web
premium
Functions Premium plan
Functions Premium plan is a hosting plan for Azure Functions that keeps capacity ready while still supporting event-driven scaling for serverless workloads. Teams use it to reduce cold starts, run longer or heavier functions, use VNet integration, and control minimum and maximum capacity more deliberately than Consumption hosting. In daily Azure work, it appears when engineers stabilize latency-sensitive APIs, connect functions to private dependencies, prepare for event spikes, or replace overprovisioned dedicated App Service capacity. It is not a free tier, a guarantee that code is efficient, unlimited scale, or a substitute for trigger tuning and dependency performance testing.
Azure Functions hosting
advanced
6 commands
Aliases: Elastic Premium plan, Azure Functions Premium, EP plan
Quick peek
Open full term page
Integration
premium
Service Bus Premium
Service Bus Premium is the Azure Service Bus offering for mission-critical brokered messaging with dedicated resources called messaging units. It provides stronger isolation, predictable throughput, Premium-only features such as private endpoints and full JMS 2.0 support, and scaling options for production namespaces.
Service Bus
fundamentals
4 commands
Aliases: Azure Service Bus Premium, Premium Service Bus, Service Bus Premium Messaging
Quick peek
Open full term page
Integration
premium
Service Bus premium tier
The Service Bus premium tier is the namespace pricing and capability tier that allocates dedicated messaging units to Azure Service Bus. It is chosen for production scenarios that need resource isolation, predictable capacity, private networking, full JMS support, Premium metrics, and advanced resiliency options.
Messaging
fundamentals
4 commands
Aliases: Azure Service Bus Premium tier, Premium messaging tier, Service Bus SKU Premium
Quick peek
Open full term page
Storage
complete
SMB file share
Microsoft Learn describes an Azure Files SMB file share as a file share in a storage account that applications and users can mount with the Server Message Block protocol. It supports shared file access for Windows and compatible clients while Azure manages storage durability, capacity, snapshots, networking, and access controls.
Azure Files
intermediate
14 commands
Aliases: Azure Files SMB share, SMB share, Azure file share, network file share
Quick peek
Open full term page
Analytics
verified
Parquet file
A Parquet file is a columnar data file commonly stored in Azure Blob Storage or Data Lake Storage and queried by analytics services. Microsoft Learn examples show Azure Synapse serverless SQL reading Parquet with OPENROWSET by specifying the file URL and PARQUET format.
Data lake file formats
intermediate
5 commands
Aliases: Apache Parquet file, Parquet data file, columnar file, lakehouse Parquet
Quick peek
Open full term page
Compute
field-manual-complete
Premium SSD disk
A Premium SSD disk is a faster Azure managed disk for virtual machines that need steadier storage performance than standard disks.
Disks and images
intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Web
field-manual-complete
Premium v4 App Service tier
Premium v4 is the App Service tier you choose when a production web app, API, or container needs stronger dedicated workers than older premium tiers provide. It is still App Service, so Azure manages the platform, patching, load balancing, deployment slots, and scale controls. The difference is the worker profile: faster processors, NVMe-backed local storage, and memory-optimized options. Use it when measured CPU, memory, startup, or local I/O pressure justifies a larger plan, not as a blind fix for every slow request.
App Service plans
intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
premium
Backup item
A backup item is a protected data source or backup instance in Azure Backup that is associated with a vault, policy, retention settings, and recoverable restore points.
Backup and recovery
intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
premium
General-purpose v2 storage account
General-purpose v2 storage account is an Azure Storage account resource using the StorageV2 kind to host common storage services under one managed namespace. Teams use it to provide durable storage for applications while centralizing endpoints, redundancy, encryption, lifecycle management, networking, monitoring, and access control. In daily Azure work, it appears when engineers provision blob containers, file shares, queues, tables, static websites, backups, application artifacts, or Data Lake Gen2-enabled storage in a landing zone. It is not a specific blob container, an unlimited performance guarantee, an identity provider, or a safe design unless access, networking, and data protection are configured.
Storage accounts
beginner
5 commands
Aliases: Azure general-purpose v2 storage account, GPv2 storage account, StorageV2 storage account
Quick peek
Open full term page
Containers
premium
Kubernetes Persistent Volume
A Kubernetes Persistent Volume is cluster storage provisioned for pods and bound through persistent volume claims so data can outlive individual pod restarts, rescheduling, or replacements.
Kubernetes storage
Intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Containers
premium
Kubernetes StorageClass
A Kubernetes StorageClass defines how persistent storage is dynamically provisioned for persistent volume claims, including the driver, performance tier, reclaim policy, and binding behavior.
Kubernetes storage
Intermediate
5 commands
Aliases: No aliases yet
Quick peek
Open full term page
Storage
premium
Share snapshot
A share snapshot is a point-in-time copy of an Azure file share. Azure Files supports snapshots for SMB and NFS shares, letting administrators view, restore, or copy previous versions of files while existing snapshots remain until explicitly deleted or managed by policy.
Files, queues, and tables
fundamentals
5 commands
Aliases: Azure Files share snapshot, file share snapshot, share snapshot, Azure file share point-in-time copy, snapshot share
Quick peek
Open full term page
Storage
premium
Zone-redundant storage
Zone-redundant storage (ZRS) is an Azure Storage redundancy option that copies data synchronously across three or more availability zones in the primary region. It keeps storage resources available for reads and writes if a zone becomes unavailable, while staying within the region for governance-sensitive workloads.
Azure Storage
intermediate
5 commands
Aliases: ZRS, ZRS storage, Azure Storage ZRS, zonal storage redundancy
Quick peek
Open full term page
Storage
learning-path-anchor
Sync group
A sync group is the container that tells Azure File Sync which cloud file share and which Windows Server folders should stay synchronized. Think of it as one file namespace with a hub in Azure and one or more on-premises or edge locations attached to it. If two groups represent different shares or business...
Files, queues, and tables
fundamentals
6 commands
Aliases: Azure File Sync group, file sync group, sync topology, storage sync group
Quick peek
Open full term page
Storage
premium
AzCopy
AzCopy is the Microsoft command-line utility used to move data into, out of, and between Azure Storage services such as blobs and file shares. In Azure, teams encounter it when storage teams migrate data, seed analytics lakes, copy backups, or synchronize large folders without writing a custom transfer program. The useful question is what behavior
Blob Storage
fundamentals
4 commands
Aliases: AzCopy v10, Azure Storage AzCopy, azcopy copy, azcopy sync
Quick peek
Open full term page
Storage
premium
Azure Storage Explorer
Azure Storage Explorer is a standalone app for Windows, macOS, and Linux that helps users connect to and manage Azure Storage data and resources through a graphical interface.
Storage tooling
fundamentals
4 commands
Aliases: No aliases yet
Quick peek
Open full term page
Management and Governance
learning-path-anchor
Template spec
A template spec stores an ARM template or Bicep deployment artifact as a versioned Azure resource.
Infrastructure as code
fundamentals
5 commands
Aliases: Template spec, template spec, Azure Template spec, ARM Template spec, Azure template spec, Microsoft.Resources/templateSpecs
Quick peek
Open full term page
Management and Governance
learning-path-anchor
Tenant scope
Tenant scope is the highest Azure Resource Manager deployment and governance context tied to a Microsoft Entra tenant.
Management scopes
fundamentals
5 commands
Aliases: Tenant scope, tenant scope, Azure Tenant scope, tenant level scope, ARM tenant scope, targetScope tenant
Quick peek
Open full term page
Storage
learning-path-anchor
Time-based retention
Time-based retention in Azure Blob Storage is an immutability policy that keeps blob data in a write-once, read-many state for a specified retention interval. It can be applied at container or version scope to protect records from modification or deletion until the retention period expires.
Blob Storage
fundamentals
5 commands
Aliases: Time-based retention, time based retention, Azure Time-based retention, Microsoft Learn Time-based retention, immutability policy, WORM retention, immutable blob retention, retention days, container immutability policy
Quick peek
Open full term page
No glossary terms matched that search.
Try a service name, acronym, command group, or category such as RBAC , az group , App Service , Application Insights , Databases , or Azure AI Search .
Clear filters and show matches
Reset search