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About This File

Since the repairPermissions verb was discarded in the new DiskManagement.framework of OS X El Capitan, I wrote a new version of RepairPermissions command line tool.


RepairPermissions is an easy command line tool to repair the permissions of an OS X system volume.

It also supports repairing permissions on OS X El Capitan's whole disk.

Supported OS:

OS X El Capitan (10.11.x)

OS X Yosemite (10.10.x)

OS X Mavericks (10.9.x)


RepairPermissions targetVolume

where targetVolume is a valid mount point of an OS X system partition such as /Volumes/Mac

Bugs Report:

You are welcome to report bugs or give any suggestions on my blogs. :)



0. RepairPermissions should be placed at /usr/local/bin (especially under OS X El Capitan) if you want to use RepairPermissions directly from OS X' Terminal.

1. You can ONLY repair the permissions on the current root volume if RepairPermissions is used in single-user mode.

2. Feel free to rename it to a shorter name like rp. :)


(In general: You can ONLY repair the permissions on OS X El Capitan under OS X El Capitan.)


What's New in Version 2.0.1


  • V2.0.1
  • Resolve an issue that RepairPermissions may not function properly under OS X Mavericks.
  • V2.0:
  • 1. Repairing permissions on OS X El Capitan’s whole disk is now supported.
  • 2. Repairing permissions under normal OS X, OS X Single-user mode, OS X Recovery is fully supported.
  • V1.0
  • initial internal release

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