/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 251.0 GB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk1 210.0 GB disk0s2
3: Apple_HFS OSXRESERVED 7.9 GB disk0s3
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +210.0 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD 12.5 GB disk1s1
2: APFS Volume Preboot 68.3 MB disk1s2
3: APFS Volume Recovery 1.0 GB disk1s3
4: APFS Volume VM 1.1 GB disk1s4