Last login: Tue Oct 15 20:48:05 on ttys000
MBP-de-Gilles:~ macbookgil$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         121.1 GB   disk0s2
/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +121.1 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD - Données  57.3 KB    disk1s1
   2:                APFS Volume Preboot                 28.7 KB    disk1s2
   3:                APFS Volume Recovery                20.5 KB    disk1s3
   4:                APFS Volume VM                      1.1 GB     disk1s4
   5:                APFS Volume Macintosh HD            57.3 KB    disk1s5
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS OS Sierra               999.3 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
MBP-de-Gilles:~ macbookgil$ diskutil ap deleteContainer disk1 "Macintosh HD" ; diskutil list
Started APFS operation
Deleting APFS Container with all of its APFS Volumes
Unmounting Volumes
Unmounting Volume "Macintosh HD - Données" on disk1s1
Unmounting Volume "Preboot" on disk1s2
Unmounting Volume "Recovery" on disk1s3
Unmounting Volume "VM" on disk1s4
Unmounting Volume "Macintosh HD" on disk1s5
Deleting Volumes
Deleting Container
Wiping former APFS disks
Switching content types
Reformatting former APFS disks
Initialized /dev/rdisk0s2 as a 113 GB case-insensitive HFS Plus volume with a 16384k journal
Mounting disk
Finished APFS operation
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            121.0 GB   disk0s2
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS OS Sierra               999.3 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
MBP-de-Gilles:~ macbookgil$