gistfile1.txt

# https://discussions.apple.com/thread/4144252

# partition 5 - Ubuntu boot
# partition 6 - Ubuntu swap
# partition 7 - Ubuntu files ~ 100 GB

$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            149.7 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
   4:                  Apple_HFS Recovery HD             650.0 MB   disk0s4
   5:       Microsoft Basic Data                         99.6 MB    disk0s5
   6:                 Linux Swap                         8.4 MB     disk0s6
   7:       Microsoft Basic Data                         99.7 GB    disk0s7


# I installed fuse-ext2, but it doesn't work

$ diskutil info disk0s5
   Device Identifier:        disk0s5
   Device Node:              /dev/disk0s5
   Part of Whole:            disk0
   Device / Media Name:      Untitled 5

   Volume Name:              
   Escaped with Unicode:     

   Mounted:                  Yes
   Mount Point:              /Volumes/Untitled
   Escaped with Unicode:     /Volumes/Untitled

   File System Personality:  fuse-ext2
   Type (Bundle):            fuse-ext2
   Name (User Visible):      fuse-ext2

   Partition Type:           Microsoft Basic Data
   OS Can Be Installed:      No
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified

   Total Size:               99.6 MB (99614720 Bytes) (exactly 194560 512-Byte-Units)
   Volume Free Space:        5.9 MB (5869568 Bytes) (exactly 11464 512-Byte-Units)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         Yes
   Ejectable:                No

   Whole:                    No
   Internal:                 Yes
   Solid State:              Yes


$ diskutil info disk0s6
   Device Identifier:        disk0s6
   Device Node:              /dev/disk0s6
   Part of Whole:            disk0
   Device / Media Name:      Untitled 6

   Volume Name:              
   Escaped with Unicode:     

   Mounted:                  No

   File System Personality:  Linux Swap
   Type (Bundle):            Linux Swap
   Name (User Visible):      Linux Swap

   Partition Type:           Linux Swap
   OS Can Be Installed:      No
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified

   Total Size:               8.4 MB (8388608 Bytes) (exactly 16384 512-Byte-Units)
   Volume Free Space:        0 B (0 Bytes) (exactly 0 512-Byte-Units)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         Not applicable (not mounted)
   Ejectable:                No

   Whole:                    No
   Internal:                 Yes
   Solid State:              Yes


$ diskutil info disk0s7
   Device Identifier:        disk0s7
   Device Node:              /dev/disk0s7
   Part of Whole:            disk0
   Device / Media Name:      Untitled 7

   Volume Name:              
   Escaped with Unicode:     

   Mounted:                  Yes
   Mount Point:              /Volumes/Untitled 1
   Escaped with Unicode:     /Volumes/Untitled%FF%FE%20%001

   File System Personality:  fuse-ext2
   Type (Bundle):            fuse-ext2
   Name (User Visible):      fuse-ext2

   Partition Type:           Microsoft Basic Data
   OS Can Be Installed:      No
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified

   Total Size:               99.7 GB (99690217472 Bytes) (exactly 194707456 512-Byte-Units)
   Volume Free Space:        32.1 GB (32109514752 Bytes) (exactly 62713896 512-Byte-Units)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         Yes
   Ejectable:                No

   Whole:                    No
   Internal:                 Yes
   Solid State:              Yes


$ sudo gpt -r -vv show disk0
Password:
gpt show: disk0: mediasize=251000193024; sectorsize=512; blocks=490234752
gpt show: disk0: PMBR at sector 0
gpt show: disk0: Pri GPT at sector 1
gpt show: disk0: Sec GPT at sector 490234751
      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  292365448      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  292775088    1269544      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
  294044632    1269536      4  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  295314168       1288         
  295315456     194560      5  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
  295510016      16384      6  GPT part - 0657FD6D-A4AB-43C4-84E5-0933C84B4F4F
  295526400  194707456      7  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
  490233856        863         
  490234719         32         Sec GPT table
  490234751          1         Sec GPT header
  

$ sudo fdisk /dev/disk0
Password:
Disk: /dev/disk0	geometry: 30515/255/63 [490234752 sectors]
Signature: 0xAA55
         Starting       Ending
 #: id  cyl  hd sec -  cyl  hd sec [     start -       size]
------------------------------------------------------------------------
 1: EE 1023 254  63 - 1023 254  63 [         1 -  490234751] <Unknown ID>
 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