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Operating System Design - Applied Operating System - Lecture Slides, Slides of Computer Science

University of AllahabadComputer Science

These are the Lecture Slides of Applied Operating System which includes Swapping, Virtual Memory, Page Replacement Algorithms, Modeling Page Replacement Algorithms, Design Issues for Paging Systems, Implementation Issues, Segmentation etc. Key important points are: Operating System, History of Operating Systems, Operating System Zoo, Computer Hardware Review, Operating System Concepts, System Calls, Operating System Structure, Application Programs

Typology: Slides

2012/2013

Uploaded on 03/21/2013

dheeraj
dheeraj 🇮🇳

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Operating System Design
Chapter 12
12.1 The nature of the design problem
12.2 Interface design
12.3 Implementation
12.4 Performance
12.5 Project management
12.6 Prends in operating system design
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Operating System Design

Chapter 12

12.1 The nature of the design problem 12.2 Interface design 12.3 Implementation 12.4 Performance 12.5 Project management 12.6 Prends in operating system design

Static Versus Dynamic Structures

Code for searching the process table for a given PID.

Searching a static table for a pid

Space-Time Trade-offs (1)

A procedure for counting bits in a byte

(a)

A procedure to count the 1 bits in a byte

Space-Time Trade-offs (2)

  • A macro to count the bits
  • A macro to access bit count in a table

(b) Macro to count the bytes

(c) Macro to look up the count

Caching

Part of an i-node cache

Software team Structure

Mills’ proposal for populating a 10-person chief programmer team

The Role of Experience (2)

  • Alternative design produces a working system
    • that does nothing starting on day 1