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Ebook Beginning Linux Programming 2nd Edition

The book has a number of aims as: To teach the use of the standard UNIX C libraries and other facilities as specified by the UNIX98 standard created from the earlier IEEE POSIX and X/Open (SPEC 1170) specifications; to show how to make the most of advanced development tools; to give concise introductions to popular rapid development languages like the shell, Tcl and Perl; to show how to build graphical user interfaces for the X Window System; having given you firm grounding, to progress to topics of real−world applications which you want to program | PROGRAMMER To p R G R A M M í R -fulv nntal aid eaphixkxỉ Mtcod vHh ft nwiitfcj ruflV BEGINNING Linux Programming 2nd Edition Foreword by Alan Cox Table of Contents Beginning Linux Programming Second Edition.1 Foreword.5 Introduction.6 Welcome.6 Who s this Book For .6 What s Covered in the Book.6 What You Need to Use this Book .8 Source Code.9 Conventions.9 Tell Us What You Think.10 Why Should I Return the Reply Card .10 Chapter 1 Getting Started.11 Overview .11 What is UNIX .11 What is Linux .11 Distributions.11 The GNU Project and the Free Software Foundation.12 Programming Linux.13 UNIX Programs.13 The C Compiler.14 Try It Out - Our First UNIX C Program.14 How It Works.15 Getting Help.15 Try It Out - Manual Pages and info.16 Development System Roadmap.17 Programs.17 Header Files.18 Library Files.19 Static Libraries.19 Try It Out - Static Libraries .20 Shared Libraries.22 UNIX Philosophy.23 Simplicity.23 Focus.23 Reusable Components.23 Filters.23 Open File Formats.23 Flexibility.23 Summary.24 Chapter 2 Shell Programming.25 Overview.25 What is a Shell .26 Pipes and Redirection.27 Redirecting Output.27 Redirecting Input .28 Pipes.28 i Table of Contents Chapter 2 Shell Programming The Shell as a Programming Language.29 Interactive Programs.29 Creating a Script .30 Making a Script Executable.31 Shell Syntax.32 Variables.33 Conditions.36 Control Structures.38 Functions.49 Try It Out - A Simple Function.50 How It Works.50 Try It Out - Returning a Value.51 How It Works.52 Commands.52 Command Execution.62 Here Documents.66 Try It Out - Using Here Documents .66 Try It Out - Another Use for a Here Document.67 How It Works.67 Debugging Scripts.67 Putting it All Together.68 Requirements.68 Design.69 Try It Out - A CD Application.70 Notes.76 Summary .77 Chapter 3 Working with Files.78 Overview .78 UNIX File Structure .78 Directories.79 Files and Devices.79 System Calls and Device Drivers.81 Library Functions.82 Low-level File Access.82 write.83 read.83 open.84 Initial .