Unset the system immutable bit in Mac OS X

Posted by skylarking on Super User See other posts from Super User or by skylarking
Published on 2010-03-09T15:38:53Z Indexed on 2010/04/05 9:53 UTC
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In theory I believe you can unlock and remove the system immutable bit with:

chflags noschg /Path/To/File

But how can you do this when you've set the bit as root? I have a file that is locked, and even running this command as root will not work as the operation is not permitted.

I tried logging in as Single-User mode to no avail.

I seem to remember that even though you are in as root you are in at level '1'. And to be able to remove the system-immutable flag you need to be logged in at level '0'. Does this have something to do with this issue?

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