aminsoumaila:~ olivier$ diskutil eraseVolume jhfs+ "Macintosh SSD" disk0s2
Started erase on disk0s2 SSD mac
Unmounting disk
Erasing
Initialized /dev/rdisk0s2 as a 488 GB case-insensitive HFS Plus volume with a 40960k journal
Mounting disk
Finished erase on disk0s2 Macintosh SSD
aminsoumaila:~...