lab5 Pipe Signals
  • Introduction
  • Signals
    • kill() system call
    • Custom signal handler
  • Knowing about pipe
    • Pipe Overview
    • System call pipe()
  • Learn to use pipe
    • Pipe Creation
    • Pipe with fork
    • Exercise 1
  • Connecting two programs with pipe
    • Implement ls | less in C
  • Shell Examples
    • Get Current Path
    • Change Directory
    • Change Environment Variables
  • Reference
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Introduction

Signals are a kind of interrupt to the running process. This tutorial contains some hand-on codes for you to try.

Pipe is a communication mechanism for sending information between processes. In this tutorial, you will learn more about pipe in Linux.

You need to do:

  • Follow the left content step by step to learn how to use pipe.

  • Answer the six questions (Q1-Q6) in Section 1 "Knowing about pipe", the answers can all be found in Section 2 and 3 (A1-A6)

  • There are four programs in this tutorial, compile them, run them, understand them.

After that, you should know:

  • What pipe really is.

  • How pipe works.

  • How to use pipe.

At the last section, some useful functions for the shell are included for your reference.

Prepared by Lu TANG and Calvin Kam, modified by Yiyao MA.

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Last updated 2 months ago

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