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(libc.info)Implementing a Shell

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Implementing a Job Control Shell
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   This section describes what a shell must do to implement job
control, by presenting an extensive sample program to illustrate the
concepts involved.

Data Structures

Introduction to the sample shell.

Initializing the Shell

What the shell must do to take

responsibility for job control.

Launching Jobs

Creating jobs to execute commands.

Foreground and Background

Putting a job in foreground of background.

Stopped and Terminated Jobs

Reporting job status.

Continuing Stopped Jobs

How to continue a stopped job in

the foreground or background.

Missing Pieces

Other parts of the shell.