============================================================================ /dev/disk0 - M4-CT512M4SSD1 Media - 512 GB ---------------------------------------------------------------------------- start size index contents 0 1 PMBR 1 1 Pri GPT header 2 32 Pri GPT table 34 6 40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B 409640 999543392 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC 999953032 262151 1000215183 32 Sec GPT table 1000215215 1 Sec GPT header Disk: /dev/disk0 geometry: 62260/255/63 [1000215216 sectors] Signature: 0xAA55 Starting Ending #: id cyl hd sec - cyl hd sec [ start - size] ------------------------------------------------------------------------ 1: EE 1023 254 63 - 1023 254 63 [ 1 - 1000215215] GPT 2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused