Cygwin User's Guide

1 Cygwin User s GuideiCygwin User s GuideCygwin User s GuideiiCopyright Cygwin authorsPermission is granted to make and distribute verbatim copies of this documentation provided the copyright notice and this per-mission notice are preserved on all is granted to copy and distribute modified versions of this documentation under the conditions for verbatim copying,provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this is granted to copy and distribute translations of this documentation into another language, under the above conditionsfor modified versions, except that this permission notice may be stated in a translation approved by the Free Software User s GuideiiiContents1 Cygwin is it?

2 Start Guide for those more experienced with Windows .. Start Guide for those more experienced with UNIX .. the Cygwin tools free software? .. brief history of the Cygwin project .. of Cygwin Functionality .. and Security .. Access .. Mode vs. Binary Mode .. C Library .. Creation .. with process creation .. s new and what changed in Cygwin .. s new and what changed in .. s new and what changed in .. s new and what changed in .. s new and what changed in .. s new and what changed in .. s new and what changed in.

3 S new and what changed in .. s new and what changed in .. s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. 10 Cygwin User s What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in.

4 What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in.

5 What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed in .. What s new and what changed from to .. OS related changes .. File Access related changes.

6 Network related changes .. Device related changes .. Other POSIX related changes .. Security related changes .. Miscellaneous .. 22 Cygwin User s Guidev2 Setting Up Setup .. Source .. an Install Directory .. Package Directory .. Method .. Mirrors .. Packages .. and Installation Progress .. Scripts .. Troubleshooting .. Variables .. Win32 environment .. Cygwin s Maximum Memory .. to set the locale .. Windows Console character set.

7 Problems when using Locales .. of supported character sets .. bash .. 313 Using path names .. Cygwin Mount Table .. paths .. cygdrive path prefix .. usertemp file system type .. links .. native Win32 paths .. the Win32 file API in Cygwin applications .. Path-related Information .. and Binary modes .. Issue .. default Cygwin behavior .. or text? .. 40 Cygwin User s .. permissions .. filenames .. files in /etc .. filenames.

8 Characters in filenames .. with unusual (foreign) characters .. sensitive filenames .. devices ..exe extension .. /proc filesystem .. /proc/registry filesystem .. The @pathnames .. variable .. options .. options .. accounts, permission, and security .. overview of Windows security .. Windows accounts to POSIX accounts .. Windows SIDs to POSIX uid/gid values .. account information .. user names, home dirs, login shells .. :andgroup:settings.

9 :setting .. defining how to create thepasswdentry .. :setting .. :setting .. :setting .. Thedescschema .. account mapping .. account mapping .. permissions .. the user context .. the user context with password authentication .. the user context without password, Method 1: Create a token from scratch .. 66 Cygwin User s the user context without password, Method 2: LSA authentication package .. the user context without password, Method 3: With password .. the user context, how does it all fit together?

10 Is Cygserver? .. command line options .. to install Cygserver .. to start Cygserver .. Cygserver configuration file .. Utilities .. mkgroup .. mkpasswd .. mount .. passwd .. pldd .. ps .. regtool .. setfacl .. setmetamode .. ssp .. strace .. tzset .. umount .. Cygwin effectively with Windows .. and Windows Networking .. shortcuts .. 100 Cygwin User s Guideviii4 Programming with GCC with Cygwin .