/dev/sdb2: UUID="aa6741de-df88-308f-b894-4b67c163b8b3" LABEL="Macintosh HD" TYPE="hfsplus" PARTLABEL="Customer" PARTUUID="00003b28-10f7-0000-251a-00004a5b0000"

peace@ubunt:/media/peace/Macintosh HD/Users$ sudo chown peace "/media/peace/Macintosh HD/Users/Christine"/
chown: changing ownership of '/media/peace/Macintosh HD/Users/Christine/': Read-only file system
peace@ubunt:/media/peace/Macintosh HD/Users$ cd Christine
bash: cd: Christine: Permission denied