What You ve Learned


What You've Learned

  • Use the chmod command to set file and folder permissions from the command line.

  • Some extra permissions not available from the Finder can be set from the command line.

  • The umask controls default file permissions.

  • You can lock or unlock files from the Finder or use the chflags command from the Terminal.

  • Use the find command to find locked files and files with specific permissions.

  • Disk Utility's permission check will return some, but not all, of the file permissions to their correct state.

  • File-sytem ACLs are a powerful way to go beyond basic UNIX file permissions.

References

Administration Guides

"Mac OS X File Services Administration": http://images.apple.com/server/pdfs/File_Services_v10.4.pdf

Apple Knowledge Base Documents

The following Knowledge Base documents (located at www.apple.com/support) provide further information about file permissions and flags.

Document 106712, "Troubleshooting permissions issues in Mac OS X"

Document 302469, "Mac OS X: Resolving permissions (umask) issues in a server-based group folder environment"

URLs

File System Overview: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/Articles/BSDInfluences.html#//apple_ref/doc/uid/20002286

Security Overview: Permissions: http://developer.apple.com/documentation/Security/Conceptual/Security_Overview/Concepts/chapter_3_section_9.html

Grokking Darwin ACLs: www.afp548.com/article.php?story=20050506085817850&query=acls

UNIX Permissions Lesson and Quiz: www.lsa.umich.edu/lsait/admin/mac/PermQuiz.pdf




Apple Training Series. Mac OS X System Administration Reference, Volume 1
Apple Training Series: Mac OS X System Administration Reference, Volume 1
ISBN: 032136984X
EAN: 2147483647
Year: 2005
Pages: 258
Authors: Schoun Regan

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