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Unix™ Systems Programming: Communication, Concurrency, and Threads by Steven Robbins, Kay A. Robbins

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Chapter 11. Project: Cracking Shells

By developing a shell from the bottom up, this chapter explores the intricacies of process creation, termination, identification and the correct handling of signals. Example programs handle foreground and background processes, pipelines, process groups, sessions and controlling terminals. The chapter also looks at job control and terminal I/O. The closing project integrates these concepts by incorporating job control into a shell.

Building a Simple Shell

A shell is a process that does command-line interpretation. In other words, ...

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