- A Linux-based/Windows-based virtual server that you can provision.
- You are limited to running On-Demand Instances per your vCPU-based On-Demand Instance limit, purchasing 20 Reserved Instances, and requesting Spot Instances per your dynamic Spot limit per region.
- Server environments called instances.
- Package OS and additional installations in a reusable template called Amazon Machine Images.
- Various configurations of CPU, memory, storage, and networking capacity for your instances, known as instance types.
- t-type and m-type for general purpose
- c-type for compute optimized
- r-type, x-type and z-type for memory optimized
- d-type, h-type and i-type for storage optimized
- f-type, g-type and p-type for accelerated computing
- Secure login information for your instances using key pairs.
- Storage volumes for temporary data that are deleted when you STOP or TERMINATE your instance, known as instance store volumes.
- Persistent storage volumes for your data using Elastic Block Store volumes
- Multiple physical locations for deploying your resources, such as instances and EBS volumes, known as regions and Availability Zones.
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