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1. Virtual Memory Operating SystemsFall 2002 2. Paging and Virtual Memory Paging makes virtual memory possible Logical to physical address mapping is dynamic Processes can…

Documents Memory

1. Memory Management in Linux Anand Sivasubramaniam 2. Two Parts Architecture Independent Memory Should be flexible and portable enough across platforms Implementation for…

Documents Memory Management in Linux Anand Sivasubramaniam.

Slide 1Memory Management in Linux Anand Sivasubramaniam Slide 2 Two Parts Architecture Independent Memory Should be flexible and portable enough across platforms Implementation…

Documents 1 UNIX Internals – The New Frontiers Device Drivers and I/O.

Slide 11 UNIX Internals – The New Frontiers Device Drivers and I/O Slide 2 2 16.2 Overview u Device driver u An object that controls one or more devices and interacts with…

Documents File Systems. Storing Information Applications can store it in the process address space Why is it a...

Slide 1File Systems Slide 2 Storing Information Applications can store it in the process address space Why is it a bad idea? –Size is limited to size of virtual address…

Documents Shared Pages Segmentation CPU Example Sharing of Segments.

Slide 1 Slide 2 Shared Pages Slide 3 Segmentation CPU Slide 4 Example Slide 5 Sharing of Segments Slide 6 Protection Associate valid/invalid bit with each segment table entry…

Technology Return-Oriented Programming: Exploits Without Code Injection

1.Return-oriented Programming: Exploitation without Code InjectionErik Buchanan, Ryan Roemer, Stefan Savage, Hovav ShachamUniversity of California, San Diego 2. Bad code…

Technology Ubuntu OS Presentation

1. Presentation on the Ubuntu Operating SystemColorado Technical University CS 340 – Operating SystemsOctober 2010 Loren Karl Schwappach 2. Overview IntroductionSecurity…

Technology Exploitation and State Machines

1. Exploitation and state machinesProgramming the “weird machine”, revisitedThomas Dullien / Halvar Flake 2. What is this talk about ?• Keywords for conversations in…

Technology Linux memory

1. Memory Management in LinuxAnand Sivasubramaniam 2. Two Parts• Architecture Independent Memory Should be flexible and portable enough across platforms• Implementation…