To do this, just open a Terminal and run sudo nano /etc/fs and search for UID_MIN. HFS was introduced by Apple in September 1985 specifically to support Apple's first hard disk drive for the Macintosh, replacing the Macintosh File System (MFS), the original file system which had been introduced over a year and a half earlier with the first Macintosh computer. You may also want to fix your login screen as by default Ubuntu doesn't list users with a UID of less than 1000. Sudo chown -R 501:username /home/username /media/username If you are logged in as root then run the commands without the sudo prefix. Simply substitute username for the Linux user you wish to enable HFS+ write access for and 501 for the relevant OSX UID. The following commands presume you are logged in as a regular user who has sudo rights. If you're running Ubuntu on a PPC Mac, you are likely using yaboot to boot Linux and OSX in which case you can log in as root by typing Linux single at the yaboot prompt.
If your User ID is something different from 501, replace 501 with your other UID in the terminal commands below.Īfter verifying the correct UID, you need to log into Ubuntu as either root or as any other user that is a member of the sudo group except the one you wish to grant write access to as we don't want to edit a user that we're currently logged in as. You can enable read/write access to your OSX home directory by changing your Ubuntu User ID (UID) to match your UID under OSX.īy default, the first user in OS X has a UID of 501, but you can double check this (or discover the correct UID for the required user) by opening the terminal under OSX and running the id command. In order to fix this issue, you may need to enable journaling first with the command: sudo diskutil enableJournal volumeNameĭisabling journaling on your main OS X partition is not recommended however as journaling is an important feature of any filesystem that can prevent damage and data loss: Įnable HFS+ read/write for a non-root Ubuntu userĪfter disabling journaling on your OSX HFS+ partition, you are likely to find that you cannot write any data to the partition under Ubuntu unless you use sudo or log in as root. There was a bug in certain versions of OS X that would allow this command to complete successfully, but still not disable journaling. Where volumeName is the previously discovered identifier for OS X partition (disk0s2 in our example). Since HFS is a Macintosh format, Windows. When a hard disk is formatted for a Macintosh computer, the hierarchical file system is used to create a directory that can expand as new files and folders are added to the disk. To disable journaling, type the following in the terminal: HFS: Stands for 'Hierarchical File System.' HFS is the file system used for organizing files on a Macintosh hard disk. It is of type "Apple_HFS" and usually named "Macintosh HD". Note down the identifier of your OS X partition. You will obtain an output similar to the following:Ģ: Apple_HFS Macintosh HD 230.0 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3 HFSX is a version of HFS+ that optionally supports. On Macs, HFS+ is often referred to as 'Mac OS Extended.' HFS (without the +) is rarely seen any more, except as a compatibility wrapper around early HFS+ file systems (from before OS X 10.4).
WIKI HFS FILE SYSTEM MAC OS X
If you need read/write access then you have to disable journaling with OS X before you can continue. HFS+ is the native file system for all versions Mac OS X and was introduced in 1998 to replace HFS.
You can mount this filesystem in Ubuntu with read only access by default. HFS+ is the files system used on many Apple Macintosh computers by Mac OS.
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