'Parent process id' diaporamas de présentation

Process Management

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Secure Programming, Continued CS 136 Computer Security Peter Reiher May 22, 2014

Secure Programming, Continued CS 136 Computer Security Peter Reiher May 22, 2014. Outline. Introduction Principles for secure software Major problem areas. Example Problem Areas. Buffer overflows Error handling Access control issues Race conditions Use of randomness

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Lecture 3

Lecture 3. Processes and Filters. Kernel Data Structures. User Space. Information about each process. Process table : contains an entry for every process in the system. Open-file table : contains at least one entry for every open file in the system. Code. Code. Code. Data. Data. Data.

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Lecture 3

Lecture 3. Processes and Filters. Kernel Data Structures. User Space. Information about each process. Process table : contains an entry for every process in the system. Open-file table : contains at least one entry for every open file in the system. Code. Code. Code. Data. Data. Data.

592 views • 59 slides

Processes and Filters

Processes and Filters. Kernel Data Structures. User Space. Information about each process. Process table : contains an entry for every process in the system. Open-file table : contains at least one entry for every open file in the system. Code. Code. Code. Data. Data. Data.

721 views • 58 slides

Process IDs

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Lecture 3

Processes and Filters. Lecture 3. Kernel Data Structures. User Space. Information about each process. Process table : contains an entry for every process in the system. Open-file table : contains at least one entry for every open file in the system. Code. Code. Code. Data. Data. Data.

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CS444/CS544 Operating Systems

CS444/CS544 Operating Systems. Threads 1/29/2007 Prof. Searleman jets@clarkson.edu. CS444/CS544 Spring 2007. Cooperating Processes Threads Reading assignment: Chapter 4 HW#2: system call. Recap: Processes. A process includes Address space (Code, Data, Heap, Stack)

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Process Management

Process Management. Goals of this Lecture. Help you learn about: Creating new processes Programmatically redirecting stdin, stdout, and stderr (Appendix) communication between processes via pipes Why?

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Operating Systems

Operating Systems. Introduction to Processes. Process Concept. Process is a program in execution; forms the basis of all computation; process execution must progress in sequential fashion.

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Programming with Processes

Programming with Processes. [Slides from Prof. Yangsae Moon]. Process Identifiers (1/2). Every process has a unique process ID, a nonnegative integer. ( ?? ????? ??? ??? ??? (PID) ? ?? ) Process ID 0: swapper scheduler process (it controls time slots for processes) system process

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Unix processes and threads

Unix processes and threads. Henning Schulzrinne Dept. of Computer Science Columbia University. Unix processes and threads. Process model creation properties owners and groups Threads threads vs. processes synchronization. What's a process?. Fundamental to almost all operating systems

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ch03: Processes in UNIX

ch03: Processes in UNIX. Ju, Hong Taek Computer Network Lab. Keimyung University juht@kmu.ac.kr Rm: 1228, Tel: 580-5234. Objectives. Learn how to create processes Experiment with fork and exec Explore the implications of process inheritance Use wait for process cleanup

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Shell Script

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Chapter 4 Controlling Processes

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Chapter 5 Controlling Processes

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The kernel considers each program running on your system to be a process

What is a process. The kernel considers each program running on your system to be a process A process lives as it executes, with a lifetime that may be short or long A process is said to die when it terminates The kernel identifies each process by a number known as a process id, or pid.

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Agenda

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