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otool

  • Inspect a binary's metadata
  • Useful to identify which libraries are associated with a command
  • /System/Library/Frameworks/CoreData.framework
  • /System/Library/Frameworks/CoreFoundation.framework
  • /System/Library/Frameworks/CoreServices.framework
  • /System/Library/Frameworks/DirectoryService.framework
  • /System/Library/Frameworks/DiskArbitration.framework
  • /System/Library/Frameworks/Foundation.framework
  • /System/Library/Frameworks/LocalAuthentication.framework
  • /System/Library/Frameworks/OpenDirectory.framework
  • /System/Library/Frameworks/Security.framework
  • ...
otool -L /usr/bin/du