Book Image

Hands-On System Programming with Linux

By : Kaiwan N. Billimoria, Tigran Aivazian
Book Image

Hands-On System Programming with Linux

By: Kaiwan N. Billimoria, Tigran Aivazian

Overview of this book

The Linux OS and its embedded and server applications are critical components of today’s software infrastructure in a decentralized, networked universe. The industry's demand for proficient Linux developers is only rising with time. Hands-On System Programming with Linux gives you a solid theoretical base and practical industry-relevant descriptions, and covers the Linux system programming domain. It delves into the art and science of Linux application programming— system architecture, process memory and management, signaling, timers, pthreads, and file IO. This book goes beyond the use API X to do Y approach; it explains the concepts and theories required to understand programming interfaces and design decisions, the tradeoffs made by experienced developers when using them, and the rationale behind them. Troubleshooting tips and techniques are included in the concluding chapter. By the end of this book, you will have gained essential conceptual design knowledge and hands-on experience working with Linux system programming interfaces.
Table of Contents (21 chapters)

Miscellaneous

A few remaining miscellaneous, but nevertheless useful, points and tips follow:

How ls displays different binaries

A screenshot of Fedora 27 (x86_64) showing the pretty colors ls -l displays when displaying different binary executable types:

What exactly are these binaries? Let's list just that, in the order they're displayed above:

  • dumpcap: a file capabilities binary executable
  • passwd: a setuid-root binary executable
  • ping: a file capabilities binary executable
  • write: a setgid-tty binary executable

Note: The precise meaning and coloring can certainly vary across Linux distributions; the output shown is from a Fedora 27 x86_64 system.

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