/dev/disk2
   #:                   type name               size      identifier
   0:  GUID_partition_scheme                    *149.1 GB disk2
   1:                    EFI                    34.0 MB   disk2s1
   2:                                           400.0 MB  disk2s2
   3:              Apple_HFS OSBoot             900.0 MB  disk2s3
   4:              Apple_HFS                    147.6 GB  disk2s4