'System call' diaporamas de présentation

Processes, Threads, Synchronization

Processes, Threads, Synchronization. CS 519: Operating System Theory Computer Science, Rutgers University Instructor: Thu D. Nguyen TA: Xiaoyan Li Spring 2002. Von Neuman Model. Both text (program) and data reside in memory Execution cycle Fetch instruction Decode instruction

1.06k views • 87 slides

An Introduction to Computer System Security

An Introduction to Computer System Security. CS-502 Operating Systems (Notes taken from guest CS-502 lecture by Bob Strong, April 4, 2005). Outline. A few principles about security The relationship between OS services and their implementation, and system and data security

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Overview and Introduction to Computing Systems

Overview and Introduction to Computing Systems. Fred Kuhns Bryan504 fredk@cs.wustl.edu. Introduction. A computer system consists of hardware system programs application programs. What is an Operating System. It is an extended machine ( Presents a Convenient Interface to users )

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Perl and UNIX Network Programming

Perl and UNIX Network Programming . Naoya Ito naoya at hatena.ne.jp. Why now network programming?. httpd is boring Some recent web application have special feature of networking. Comet Socket API of ActionScript 3 mini server for development, like Catalyst's server.pl. Agenda.

1k views • 47 slides

Chapter 2: Operating-System Structures

Chapter 2: Operating-System Structures. Chapter 2: Operating-System Structures. Operating System Services User Operating System Interface System Calls Types of System Calls System Programs Operating System Design and Implementation Operating System Structure Virtual Machines

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nesC Programming

nesC Programming. KETI / Ubiquitous Computing Center Jeonghoon Kang budge@keti.re.kr. SN Overview. Sensor Network: Bridge between the internet and the physical world IEEE 802.15.4 (TinyOS, IPv6, ZigBee, SP100, etc). Network Embedded System C. Main.exe. App.c. TinyOS / nesC.

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Programming with Processes and Threads in Unix

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Introduction to Operating Systems

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Parallelizing Security Checks on Commodity Hardware

Parallelizing Security Checks on Commodity Hardware. Ed Nightingale Dan Peek, Peter Chen Jason Flinn Microsoft Research University of Michigan. Run-time security checks. Provide run-time intrusion detection/prevention Many powerful checks have been proposed

438 views • 27 slides

Operating System Concepts

Operating System Concepts. Lecture 2. C Operating System Structures. References for Lecture: Abraham Silberschatz , Peter Bear Galvin and Greg Gagne, Operating System Concepts, 9th Edition, Chapter 2. Contents of Lecture. Operating System Services System Calls Types of System Calls

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MIPS 3000 Assembly Programming Part 2 (Load, Store, data types and sys-calls)

MIPS 3000 Assembly Programming Part 2 (Load, Store, data types and sys-calls). CS 286 Computer Architecture & Organization. Department of Computer Science Southern Illinois University Edwardsville Fall, 2019 Dr. Hiroshi Fujinoki E-mail: hfujino@siue.edu. Assembly_Prog_01/000.

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371 views • 22 slides

An Architectural View of an OS

An Architectural View of an OS . Process Control Subsystem. Inter-process communication. Process Scheduling. User programs. Libraries. User level. System Call Interface. File Subsystem. Memory Mgt Subsystem. Kernel level. Device Drivers. Hardware Control. Hardware level. Hardware.

533 views • 19 slides

Linux/UNIX Programming APUE (Introduction) ??? ????? IT ?? ???????

Linux/UNIX Programming APUE (Introduction) ??? ????? IT ?? ???????. APUE ?? ??. APUE (Introduction). Linux/Unix ??? ????? ?? , ???? , ??? (signal), ???? ????? Linux/Unix ???? ??? ?? ??? ????? ?? ??. APUE ?? ??. APUE (Introduction). Linux/Unix ? ?? ?? ????

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The UNIX File System (1)

The UNIX File System (1). Some important directories found in most UNIX systems. The UNIX File System (2). Before linking. After linking. (a) Before linking. (b) After linking. The UNIX File System (3). Separate file systems After mounting. (a). (b).

407 views • 16 slides

Monitoring Malware at Runtime

Monitoring Malware at Runtime. From Last Lecture. Malware authors use advanced coding for avoiding detection AnserverBot is a very sophisticate piece of software AVS is lagging behind Low detection rate on new malware Large exposure window before updating DB

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Caca

Esta caca es pa compartir

365 views • 15 slides

Pipes

Pipes. Pipes represent a channel for Interprocess Communication. Pipe. * Pipe A simple, unnamed pipe provides a one-way flow of data. Can be thought as a special file that can store a limited amount of data in a first-in-first-out manner, exactly akin to a queue. Other variations:

522 views • 15 slides

Brief Introduction to System Calls and Process Management

Brief Introduction to System Calls and Process Management. COMP 229, 346, 444, 5201 Revision 1.3 July 21, 2004. Overview. System Call Interface Process Management with C fork() exec() wait() exit(). User-running. App Software. syscall - trap. exit(). Kernel-running. Zombie. API.

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Nachos Project Assignment 2 CPU scheduling

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