diskutil list
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk2 121.1 GB disk0s2
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk1
1: Apple_HFS OS X Base System 2.0 GB disk1s1
/dev/disk2 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +121.1 GB disk2
Physical Store disk0s2
1: APFS Volume Macintosh HD 51.0 GB disk2s1
2: APFS Volume Preboot 22.0 MB disk2s2
3: APFS Volume Recovery 515.0 MB disk2s3
4: APFS Volume VM 5.4 GB disk2s4
/dev/disk3 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk3
/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk4
/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk5
/dev/disk6 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk6
/dev/disk7 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk7
/dev/disk8 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk8
/dev/disk9 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk9
/dev/disk10 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +12.6 MB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +4.2 MB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk15
/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk16
/dev/disk17 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk17
/dev/disk18 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk18
/dev/disk19 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk19
/dev/disk20 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk20
-bash-3.2#
diskutil info disk2s1
-bash-3.2# diskutil info disk2s1
Device Identifier: disk2s1
Device Node: /dev/disk2s1
Whole: No
Part of Whole: disk2
Volume Name: Macintosh HD
Mounted: No
Partition Type: 41504653-0000-11AA-AA11-00306543ECAC
File System Personality: APFS
Type (Bundle): apfs
Name (User Visible): APFS
Owners: Disabled
OS Can Be Installed: No
Booter Disk: disk2s2
Recovery Disk: disk2s3
Media Type: Generic
Protocol: PCI
SMART Status: Verified
Volume UUID: 2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7
Disk / Partition UUID: 2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7
Disk Size: 121.1 GB (121123069952 Bytes) (exactly 236568496 512-Byte-Units)
Device Block Size: 4096 Bytes
Volume Total Space: 0 B (0 Bytes) (exactly 0 512-Byte-Units)
Volume Free Space: 0 B (0 Bytes) (exactly 0 512-Byte-Units)
Read-Only Media: No
Read-Only Volume: Not applicable (not mounted)
Device Location: Internal
Removable Media: Fixed
Solid State: Yes
Hardware AES Support: No
-bash-3.2#
diskutil info disk2s1
-bash-3.2# diskutil info disk2s1
Device Identifier: disk2s1
Device Node: /dev/disk2s1
Whole: No
Part of Whole: disk2
Volume Name: Macintosh HD
Mounted: Yes
Mount Point: /Volumes/Macintosh HD
Partition Type: 41504653-0000-11AA-AA11-00306543ECAC
File System Personality: APFS
Type (Bundle): apfs
Name (User Visible): APFS
Owners: Enabled
OS Can Be Installed: Yes
Booter Disk: disk2s2
Recovery Disk: disk2s3
Media Type: Generic
Protocol: PCI
SMART Status: Verified
Volume UUID: 2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7
Disk / Partition UUID: 2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7
Disk Size: 121.1 GB (121123069952 Bytes) (exactly 236568496 512-Byte-Units)
Device Block Size: 4096 Bytes
Volume Total Space: 121.1 GB (121123069952 Bytes) (exactly 236568496 512-Byte-Units)
Volume Used Space: 57.1 GB (57072873472 Bytes) (exactly 111470456 512-Byte-Units) (47.1%)
Volume Free Space: 64.1 GB (64050196480 Bytes) (exactly 125098040 512-Byte-Units) (52.9%)
Allocation Block Size: 4096 Bytes
Read-Only Media: No
Read-Only Volume: No
Device Location: Internal
Removable Media: Fixed
Solid State: Yes
Hardware AES Support: No
-bash-3.2#
ls /Volumes/Mac*
bless --info /Volumes/Mac*
-bash-3.2# ls /Volumes/Mac*
.DS_Store Users
.DocumentRevisions-V100 Volumes
.HFS+ Private Directory Data? bin
.IAProductInfo cores
.OSInstallerMessages dev
.PKInstallSandboxManager etc
.PKInstallSandboxManager-SystemSoftware home
.Spotlight-V100 installer.failurerequests
.file macOS Install Data
.fseventsd net
.vol private
Applications sbin
Library tmp
Network usr
System var
-bash-3.2#
-bash-3.2# bless --info /Volumes/Mac*
2203 => Blessed System File is <Preboot>/2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7/com.apple.installer/boot.efi
64 => Blessed System Folder is <Preboot>/2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7/com.apple.installer
The blessed volume in this APFS container is "/Volumes/Macintosh HD"
-bash-3.2#
bless --folder /Volumes/"Macintosh HD"/System/Library/CoreServices --file /Volumes/"Macintosh HD"/System/Library/CoreServices/boot.efi
bless --info /Volumes/Mac*
-bash-3.2#
-bash-3.2# bless --folder /Volumes/"Macintosh HD"/System/Library/CoreServices --file /Volumes/"Macintosh HD"/System/Library/CoreServices/boot.efi
-bash-3.2# bless --info /Volumes/Mac*
1664 => Blessed System File is <Preboot>/2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7/System/Library/CoreServices/boot.efi
41 => Blessed System Folder is <Preboot>/2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7/System/Library/CoreServices
The blessed volume in this APFS container is "/Volumes/Macintosh HD"
-bash-3.2#
rm -rf /Volumes/"Macintosh HD"/"macOS Install Data"
kextcache -u /Volumes/"Macintosh HD"
diskutil ap updatePreboot disk2s1
D0-3CC7-B6C8-6277D5423FE7/var/db/AdminUserRecoveryInfo.plist
UpdatePreboot: Successfully wrote Admin User Info File
UpdatePreboot: Checking for existence of Secure Access Token file /Volumes/Macintosh HD/var/db/dslocal/nodes/Default/secureaccesstoken.plist
UpdatePreboot: Before copying Secure Access Token file /Volumes/Macintosh HD/var/db/dslocal/nodes/Default/secureaccesstoken.plist into directory /Volumes/Preboot/2FEF85D7-99D0-3CC7-B6C8-6277D5423FE7/var/db
UpdatePreboot: After copying error=(ZeroMeansSuccess)=0
UpdatePreboot: Releasing mount hold on Preboot Volume
UpdatePreboot: Unmounting Preboot Volume
UpdatePreboot: Did unmount Preboot Volume err=(ignored)=0
UpdatePreboot: Doing memory releases
UpdatePreboot: Exiting Update Preboot operation with overall error=(ZeroMeansSuccess)=0
Finished APFS operation
-bash-3.2#