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Systems Unpacked is operated by Karel Moravec, Czechia. Contact: hello@systemsunpacked.dev.

This is a free educational beta. There are no paid plans, subscriptions or certificates. Lessons, features and availability may change, be corrected or be withdrawn.

Lessons are educational material. Models are simplifications, and recorded results describe the stated environment only; verify conclusions on your own systems before relying on them. Completing material does not guarantee any skill level, qualification or job outcome.

An account exists to read the full lessons and save your progress. Keep your sign-in details private. Use the site for personal learning; do not attempt to bypass access controls, overload the service or misuse feedback. We may suspend accounts that abuse the service.

Example code is provided as is, without warranty. Lesson text and examples remain the authors' work; please link rather than republish.