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Operating System Prepared By: Junicel Estomo
What is an Operating System? ,[object Object]
Objectives of Operating Systems  ,[object Object],[object Object],[object Object]
[object Object]
History of Operating Systems ,[object Object],[object Object],[object Object],[object Object]
System Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Main-Memory Management ,[object Object],[object Object],[object Object],[object Object]
File Management A file systems normally organized into directories to ease their use. These directories may contain files and other directions. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O System Management ,[object Object]
Secondary-Storage Management  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Networking ,[object Object],[object Object]
Protection System ,[object Object],[object Object]
Command Interpreter System ,[object Object],[object Object],[object Object],[object Object]
Chapter 4 Process
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Process, on the other hand, includes: ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
Process State ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A process goes through a series of discrete process states. ,[object Object],[object Object],[object Object],[object Object],[object Object]
Process Operations ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Following are some reasons for creation of a process ,[object Object],[object Object],[object Object],[object Object]
Process Termination ,[object Object],[object Object],[object Object],[object Object]
Process States ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Process State Transitions ,[object Object],[object Object],[object Object],[object Object]
cont... ,[object Object],[object Object],[object Object]
Process Control Block ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Threads ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Threads ,[object Object],[object Object],[object Object]
Processes Vs Threads ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why Threads? ,[object Object],[object Object],[object Object],[object Object]
Cont...  ,[object Object],[object Object],[object Object],[object Object]
User-Level Threads ,[object Object]
Advantages: ,[object Object],[object Object],[object Object],[object Object]
Disadvantages: ,[object Object],[object Object]
 

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