First, note that the ownership of all files and folders is restricted on the boot volume, which is owned by root.

Terminal results for Volumes If youd like to share an external drive with others, however, this UNIX protocol can get in the way when the drive is mounted on another Mac.

The solution is to set a flag to ignore ownership concepts (but not permissions) on the drive.

That flag is found in the Get Info (CMD-I) box for the drive at the very bottom.

Enable Permission For Cuda Osx Password If The

Note you may have to authenticate with an admin password if the padlock has this setting locked.) Bottom Part of Get Info box for a drive In fact, when you check this box, special UNIX flags are set such that whoever mounts the drive sees himselfherself as the owner.

Its pretty neat. Note, however, the originally set permissions for that owner remain intact.

Of course, as owner (and possibly admin user) those permissions can be altered.

If the drive is the boot drive or a Time Machine drive, you wont have the option to set this flag.

If the flag is not set, the drive will show up in the terminal as owned by root.

If you set the flag, it will show up in the terminal as owned by you.

Enable Permission For Cuda Osx Mac OS X On A

See the first screen shot above.) Note that if youve installed a backup version of Mac OS X on a drive and expect to boot from it, DO NOT SET THE FLAG.

In summary, if you have an external drive you expect to share with others or move from Mac to Mac, its helpful to set the Ignore ownership on this volume flag to make copying files to and from the drive seamless.

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How To Enable Permission For Cuda Osx