Aws S3 — Free Cloud Computing Tutorial

Learn Aws S3 in Cloud Computing with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

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TL;DR: Learn Aws S3 in Cloud Computing with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Jul 14, 2026

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Aws S3 in Cloud Computing

S3 (Simple Storage Service) is AWS's object storage. Store unlimited files (objects) organized in buckets (folders). Durability: 99.999999999% (11 nines), built-in replication, automatic backups. Cost: ₹1.4 per GB/month in Mumbai.

Use cases: Website assets (CSS, JS, images), backups, log files, video storage (YouTube uses S3), data lakes for analytics. Not for databases or OS installation (use EBS for that).

Access control: Bucket policies (who can access), ACLs (public/private), pre-signed URLs (temporary links), IAM roles (service access). Security: encryption at rest (default) and in transit (HTTPS).

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