-bash-2.05b$ diskutil list
/dev/disk0
#: type name size identifier
0: GUID_partition_scheme *111.8 GB disk0
1: EFI 34.0 MB disk0s1
2: Apple_Recovery 400.0 MB disk0s2
3: Apple_HFS OSBoot 900.0 MB disk0s3
4: Apple_HFS Media 35.8 GB disk0s4
-bash-2.05b$ diskutil info disk0
Device Node: /dev/disk0
Device Identifier: disk0
Mount Point:
Volume Name:
Partition Type: GUID_partition_scheme
Bootable: Not bootable
Media Type: Generic
Protocol: ATA
SMART Status: Verified
Total Size: 111.8 GB
Free Space: 0.0 B
Read Only: No
Ejectable: No
OS 9 Drivers: No
Low Level Format: Not Supported
-bash-2.05b$ diskutil info disk0s1
Device Node: /dev/disk0s1
Device Identifier: disk0s1
Mount Point:
Volume Name:
Partition Type: EFI
Bootable: Is bootable
Media Type: Generic
Protocol: ATA
SMART Status: Verified
Total Size: 34.0 MB
Free Space: 0.0 B
Read Only: No
Ejectable: No
-bash-2.05b$ diskutil info disk0s2
Device Node: /dev/disk0s2
Device Identifier: disk0s2
Mount Point:
Volume Name:
Partition Type: Apple_Recovery
Bootable: Is bootable
Media Type: Generic
Protocol: ATA
SMART Status: Verified
Total Size: 400.0 MB
Free Space: 0.0 B
Read Only: No
Ejectable: No
-bash-2.05b$ diskutil info disk0s3
Device Node: /dev/disk0s3
Device Identifier: disk0s3
Mount Point: /
Volume Name: OSBoot
File System: Journaled HFS+
Journal size 8192 k at offset 0x65b5000
Owners: Enabled
Partition Type: Apple_HFS
Bootable: Is bootable
Media Type: Generic
Protocol: ATA
SMART Status: Verified
UUID: 6F80B1FF-ACF1-36B2-A887-A203CEF77809
Total Size: 900.0 MB
Free Space: 435.7 MB
Read Only: Yes
Ejectable: No
-bash-2.05b$ diskutil info disk0s4
Device Node: /dev/disk0s4
Device Identifier: disk0s4
Mount Point: /mnt
Volume Name: Media
File System: Journaled HFS+
Journal size 8192 k at offset 0xcf000
Owners: Enabled
Partition Type: Apple_HFS
Bootable: Is bootable
Media Type: Generic
Protocol: ATA
SMART Status: Verified
UUID: C42D6375-5555-3C55-AF94-59F2DA09389D
Total Size: 35.8 GB
Free Space: 35.5 GB
Read Only: No
Ejectable: No
-bash-2.05b$ diskutil resizeVolume disk0s4 limits
For device disk0s4 Media:
Current size: 38474752000 bytes
Minimum size: 1428025344 bytes
Maximum size: 38474752000 bytes