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Permissions problems got you down? Turn to Unix expert Brian Tanaka's unique guide to the permissions that control access to your files, folders, and disks. Learn how to keep files private, set Ignore Permissions, repair permissions, and delete stuck files. Advanced concepts include the sticky bit, access control lists, bit masks, and symbolic vs. absolute ways to set permissions. Take control of permissions via the Finder, with Mac utilities, and using the command line.
Read this ebook to learn the answers to questions like: • Why do so many problem-solving sites suggest that I repair permissions? • Why can't I always access my own files when I boot from an external drive? • What should I do if someone tells me to "set the permissions to -rw-r--r--"? • What are promiscuous permissions, and should I be informing the vice squad? • What Mac utilities can change permissions, if I don't want to learn Unix? • How do I use the Unix command line to control permissions? • What's an access control list, and why should I care?
Table of Contents • Read Me First • Introduction • Permissions Quick Start • Problems and Solutions • About Permissions • The Anatomy of Permissions • Choose a Method of Setting Permissions • Set Permissions Using the Info Window • Set Permissions Using Third-Party Tools • Use Access Control Lists • Understand Default Permissions • Work with User Names, UIDs, and GIDs • Understand Ignore Ownership • Repair Permissions with Disk Utility • Learn Advanced Unix Techniques • Appendix A: Fixes for Common Problems • Appendix B: Converting To Octal • Appendix C: Use the man Command • About This Ebook
Read Me First This ebook helps you take control of the sometimes-perplexing world of permissions in Mac OS X. It explains how permissions work, how to resolve common problems, and how to best control access to your files in a variety of situations. This ebook was written by Brian Tanaka, edited by Tonya Engst, and published by TidBITS Electronic Publishing.