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Asked: 2026-05-26T15:10:47+00:00

I want to write a shell in the Linux operating system with the C

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I want to write a shell in the Linux operating system with the C language.

What is the name of the libraries and functions to use in this project?

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  1. Editorial Team

    You will probably want, at the very least:

    • fork, execv – for invoking a child process.
    • waitpid – for reaping dead child processes spawned with fork+exec.
    • sigaction – for installing signal handlers to:
      • Catch interruption (CTRL+C).
      • Reap dead child processes.
    • open – for opening files when redirecting to/from files.
    • dup2 – for replacing STDIN/STDOUT with an opened file when implementing redirection.
    • pipe – for creating pipes.

    The Single UNIX Specification Man Pages are a good resource for any additional functionality needed.

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