-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *251.0 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk1 250.8 GB disk0s2

/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +250.8 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD ( ancie... 143.8 GB disk1s1
2: APFS Volume Preboot 112.2 MB disk1s2
3: APFS Volume Recovery 3.1 GB disk1s3
4: APFS Volume VM 2.1 GB disk1s4
5: APFS Volume test 81.9 GB disk1s6

/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *15.8 GB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_HFS Install macOS Mojave 15.5 GB disk2s2

/dev/disk3 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk3
1: Apple_HFS OS X Base System 2.0 GB disk3s1

/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk4

/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk5

/dev/disk6 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk6

/dev/disk7 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk7

/dev/disk8 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk8

/dev/disk9 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk9

/dev/disk10 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk10

/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +12.6 MB disk11

/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +4.2 MB disk12

/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk13

/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk14

/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk15

/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk16

/dev/disk17 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk17

/dev/disk18 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk18

/dev/disk19 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk19

/dev/disk20 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk20

/dev/disk21 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk21

-bash-3.2#