A short, structured cheat-sheet to prepare for system design interviews in the style commonly found in popular GitHub "system-design-interview" PDFs (e.g., Alex Wu / similar repos). Focus: framework, common components, example problems, trade-offs, and quick sketches.
"Alex Wu" is a ghost. "Alex Xu" is the author. But the search term works because the community knows exactly what you mean: The illustrated, blue-cover guide that breaks down TinyURL, Twitter, and YouTube.
: “It’s okay if it’s for education.” Fact : Fair use does not cover wholesale copying of an entire book, even for education. Many bootcamps have been sued for distributing such materials.
