voici ce que je trouve
-bash-3.2# diskutil eraseDisk jhfs+ "Macintosh HD" gpt disk0
Started erase on disk0
Unmounting disk
Creating the partition map
Waiting for partitions to activate
Formatting disk0s2 as Mac OS Extended (Journaled) with name Macintosh HD
Initialized /dev/rdisk0s2 as a 113 GB...