Atlas.
Everything worth actually knowing about IT, kept in one place. From what a computer is, through networking, Linux, security and cloud, out to mainframes and the business of running it all.
Every topic fact-checked, not just written.
All 816 have been through a verification pass separate from drafting, with dated figures, standards and version claims checked against source and corrected.
What changed recently
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Quiz and flashcards. 2,087 questions and 3,063 cards generated from the docs, split by section, with four difficulty tiers and spaced repetition that remembers what you keep getting wrong.
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Grown to 816 topics across 34 sections. New sections on suggested software, the business of IT, compliance and legacy systems, and a deeper version added under every topic.
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Full accuracy pass. Every topic checked against source rather than left as written, with dated figures, standards and version claims corrected where they were wrong.