Explore the evolution of central data abstraction in operating systems from the complexity of Multics to the simplicity and elegance of Unix. Discover how files are managed in Unix, the tradeoffs in data-sharing methods, and the impacts on efficiency and protection.

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The session discusses the consequences of user ignorance and developer oversight in software security, highlighting risks in COTS/open source packages and historical vulnerabilities like Borland Interbase 4.0. The evolution of security from software to hardware, the historical context of security is

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