Cygwin User's Guide

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Cygwin User's Guide
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Cygwin User's Guide

Table of Contents

1. Cygwin Overview

What is it? Quick Start Guide for those more experienced with Windows Quick Start Guide for those more experienced with UNIX Are the Cygwin tools free software? A brief history of the Cygwin project Highlights of Cygwin Functionality

Introduction Permissions and Security File Access Text Mode vs. Binary Mode ANSI C Library Process Creation Signals Sockets Select

What's new and what changed in Cygwin 1.7

What's new and what changed from 1.7.6 to 1.7.7 What's new and what changed from 1.7.5 to 1.7.6 What's new and what changed from 1.7.3 to 1.7.5 What's new and what changed from 1.7.2 to 1.7.3 What's new and what changed from 1.7.1 to 1.7.2 OS related changes File Access related changes Network related changes Device related changes Other POSIX related changes Security related changes Miscellaneous

2. Setting Up Cygwin

Internet Setup

Download Source Selecting an Install Directory Local Package Directory Connection Method Choosing Mirrors Choosing Packages Download and Installation Progress Icons Post-Install Scripts Troubleshooting

Environment Variables

Overview Restricted Win32 environment

Changing Cygwin's Maximum Memory Internationalization

Overview How to set the locale The Windows Console character set Potential Problems when using Locales List of supported character sets

Using Windows security in Cygwin

Overview File permissions Special values of user and group ids The POSIX permission mapping leak Switching the user context Switching the user context with password authentication Switching the user context without password, Method 1: Create a token from scratch Switching the user context without password, Method 2: LSA authentication package Switching the user context without password, Method 3: With password Switching the user context, how does it all fit together?

Customizing bash

3. Using Cygwin

Mapping path names

Introduction The Cygwin Mount Table The cygdrive path prefix Using native Win32 paths Using the Win32 file API in Cygwin applications Additional Path-related Information

Text and Binary modes

The Issue The default Cygwin behavior Binary or text? Programming

File permissions Special filenames

Special files in /etc Invalid filenames Forbidden characters in filenames Filenames with unusual (foreign) characters Case sensitive filenames POSIX devices The .exe extension The /proc filesystem The /proc/registry filesystem The @pathnames

The CYGWIN environment variable

Implemented options Obsolete options

Cygserver

What is Cygserver? Cygserver command line options How to start Cygserver The Cygserver configuration file

Cygwin Utilities

cygcheck cygpath dumper getfacl kill locale mkgroup mkpasswd mount passwd ps regtool setfacl ssp strace umount

Using Cygwin effectively with Windows

Pathnames Console Programs Cygwin and Windows Networking The cygutils package Creating shortcuts with cygutils Printing with cygutils

4. Programming with Cygwin

Using GCC with Cygwin

Console Mode Applications GUI Mode Applications

Debugging Cygwin Programs Building and Using DLLs

Building DLLs Linking Against DLLs

Defining Windows Resources

List of Examples

2.1. /etc/passwd: 2.2. /etc/passwd, tweaked: 2.3. /etc/group, tweaked: 3.1. Displaying the current set of mount points 3.2. Using @pathname 3.3. Example cygcheck usage 3.4. Searching all packages for a file 3.5. Example cygpath usage 3.6. Using the kill command 3.7. Setting up group entry for current user with different domain/group separator 3.8. Using an alternate home root 3.9. Displaying the current set of mount points 3.10. Adding mount points 3.11. Changing the default prefix 3.12. Changing the default prefix with specific mount options 4.1. Building Hello World with GCC 4.2. Compiling with -g 4.3. "break" in gdb 4.4. Debugging with command line arguments

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		Chapter 1. Cygwin Overview