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IT Glossary & Dictionary

35 terms covering Linux, Python, DevOps, Networking, Databases, and more.

Clear definitions and in-depth explanations for beginners and professionals.

All Cloud Computing (35) Databases (51) DevOps (60) Linux (60) Networking (46) Programming Concepts (40) Python (55) Security (40) Web Development (53)
A-Z: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Auto Scaling

Cloud Computing

Automatically adjusting the number of computing resources based on current demand to maintain performance and optimize costs.

AWS (Amazon Web Services)

Cloud Computing

The world's largest cloud computing platform, offering hundreds of services for compute, storage, networking, and more.

Azure

Cloud Computing

Microsoft's cloud computing platform offering IaaS, PaaS, and SaaS services for building, deploying, and managing applications.

C

CDK (Cloud Development Kit)

Cloud Computing

A software development framework for defining cloud infrastructure using familiar programming languages instead of YAML or JSON templates.

Cloud Computing

Cloud Computing

The delivery of computing services over the internet, including servers, storage, databases, and software on demand.

Cloud Cost Optimization

Cloud Computing

Strategies and practices to reduce and control cloud computing expenses while maintaining performance and availability.

CloudFormation

Cloud Computing

An AWS service that provisions and manages cloud resources using declarative JSON or YAML templates.

Cloud Function

Cloud Computing

A serverless compute service that runs code in response to events without requiring server management or infrastructure provisioning.

Cloud IAM

Cloud Computing

Identity and Access Management services that control who can access cloud resources and what actions they can perform.

Cloud Load Balancer

Cloud Computing

A managed service that distributes incoming network traffic across multiple servers to ensure high availability and optimal resource utilization.

Cloud Migration

Cloud Computing

The process of moving applications, data, and workloads from on-premises infrastructure to cloud computing environments.

Cloud Monitoring

Cloud Computing

Services that collect, analyze, and alert on metrics, logs, and traces from cloud infrastructure and applications.

Cloud-Native

Cloud Computing

An approach to building applications that fully exploit cloud computing advantages like scalability, resilience, and flexibility.

Cloud Storage Tiers

Cloud Computing

Different storage classes offered by cloud providers, optimized for varying access patterns from frequent to archival use.

E

Edge Computing

Cloud Computing

A distributed computing paradigm that processes data near the source of generation rather than in a centralized cloud data center.

Elastic Load Balancing

Cloud Computing

An AWS service that automatically distributes incoming application traffic across multiple targets like EC2 instances and containers.

G

Google Cloud Platform (GCP)

Cloud Computing

Google's suite of cloud computing services running on the same infrastructure that Google uses for its consumer products.

H

Hybrid Cloud

Cloud Computing

A computing environment that combines on-premises infrastructure with public cloud services, allowing data and applications to move between them.

I

IaaS (Infrastructure as a Service)

Cloud Computing

A cloud service model providing virtualized computing resources like servers, storage, and networking over the internet.

IAM (Identity and Access Management)

Cloud Computing

A framework for managing digital identities and controlling who can access which cloud resources and services.

K

Kubernetes Namespace

Cloud Computing

A virtual cluster within a Kubernetes cluster that provides scope for names and enables resource isolation between teams or environments.

Kubernetes Pod

Cloud Computing

The smallest deployable unit in Kubernetes, consisting of one or more containers that share storage, network, and lifecycle.

Kubernetes Service

Cloud Computing

An abstraction that provides a stable network endpoint for accessing a group of Pods, handling load balancing and service discovery.

L

Lambda Function (Cloud)

Cloud Computing

An AWS serverless compute service that runs code in response to events without provisioning or managing servers.

M

Multi-Cloud

Cloud Computing

A strategy of using services from multiple cloud providers to avoid vendor lock-in and leverage best-of-breed capabilities.

O

Object Storage

Cloud Computing

A storage architecture that manages data as objects with metadata and unique identifiers, ideal for unstructured data at scale.

P

PaaS (Platform as a Service)

Cloud Computing

A cloud service model that provides a platform for developers to build, deploy, and manage applications without managing infrastructure.

R

Region and Availability Zone

Cloud Computing

Geographic locations where cloud providers operate data centers, with zones providing redundancy within a region.

S

S3 (Simple Storage Service)

Cloud Computing

An AWS object storage service that stores and retrieves any amount of data from anywhere on the web.

SaaS (Software as a Service)

Cloud Computing

A cloud delivery model where software applications are hosted and managed by a provider and accessed by users over the internet.

Serverless Computing

Cloud Computing

A cloud execution model where the provider manages servers and dynamically allocates resources, charging only for actual usage.

SLA (Service Level Agreement)

Cloud Computing

A formal agreement between a service provider and customer defining guaranteed levels of service availability and performance.

Spot Instance

Cloud Computing

Discounted cloud compute instances that use spare capacity at significantly lower prices but can be interrupted with short notice.

V

Virtual Machine (VM)

Cloud Computing

A software-based emulation of a physical computer that runs its own operating system and applications.

VPC (Virtual Private Cloud)

Cloud Computing

An isolated virtual network within a cloud provider where you can launch resources with full control over IP addressing, routing, and security.

How Our IT Glossary Helps You

More than just definitions — our glossary is a learning tool that connects concepts to practical resources.

📚 Clear Definitions

Every term has a short definition for quick reference and a detailed explanation for deeper understanding.

🎯 Difficulty Levels

Each term is tagged as Beginner, Intermediate, or Advanced so you know if it matches your current knowledge.

🔗 Linked to eBooks

Terms link to relevant eBooks so you can go from a quick definition to in-depth learning in one click.

🔭 9 Categories

Browse by topic area — filter by category and A-Z letter to find exactly what you need in seconds.

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Frequently Asked Questions

What is the Dargslan IT Glossary?

The Dargslan IT Glossary is a comprehensive dictionary of 35 information technology terms covering 9 categories including Cloud Computing, Databases, DevOps, Linux, Networking, Programming Concepts. Each term includes a clear definition, an in-depth explanation, difficulty level, and links to related eBooks for further learning.

How many terms does the glossary contain?

The glossary currently contains 35 terms across 9 categories. We regularly add new terms to keep the glossary current with the latest technologies and concepts.

Who is this glossary for?

The glossary is designed for anyone working in or learning about IT — from complete beginners encountering unfamiliar terms to experienced professionals looking for precise definitions. Each term includes a difficulty badge (Beginner, Intermediate, or Advanced) so you can find content at your level.

Can I browse terms by category?

Yes. Use the category pills at the top of the glossary to filter terms by topic such as Cloud Computing, Databases, DevOps, Linux, Networking, Programming Concepts. You can also use the A-Z letter filter to jump to terms starting with a specific letter, or combine both filters.

How are glossary terms linked to eBooks?

Many glossary terms are linked to relevant eBooks in our store. When you read a term definition, you will see recommended books that cover that topic in depth — making it easy to go from a quick definition to comprehensive learning.

Is the glossary free to use?

Yes, the entire IT glossary is completely free. Browse, read, and learn from all 35 terms without any registration or payment required.

How do I find a specific term?

You can use the A-Z letter navigation to jump to terms starting with a specific letter, filter by category to narrow results, or use the search bar in the header to find any term by name. Each term has its own dedicated page with a full explanation.