-bash-3.2# diskutil info /Volumes/Macintosh\ HD/
   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-Express
   SMART Status:             Not Supported
   Volume UUID:              DDDEB1DF-E24C-330E-8BDF-41F159AEC243
   Disk / Partition UUID:    DDDEB1DF-E24C-330E-8BDF-41F159AEC243
   Disk Size:                1.0 TB (1000240963584 Bytes) (exactly 1953595632 512-Byte-Units)
   Device Block Size:        4096 Bytes
   Volume Total Space:       1.0 TB (1000240963584 Bytes) (exactly 1953595632 512-Byte-Units)
   Volume Used Space:        417.7 GB (417729232896 Bytes) (exactly 815877408 512-Byte-Units) (41.8%)
   Volume Free Space:        582.5 GB (582511730688 Bytes) (exactly 1137718224 512-Byte-Units) (58.2%)
   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*
.DS_Store
.DocumentRevisions-V100
.HFS+ Private Directory Data?
.IAProductInfo
.OSInstallerMessages
.PKInstallSandboxManager
.PKInstallSandboxManager-SystemSoftware
.Spotlight-V100
.file
.fseventsd
.vol
Applications
Library
Network
Scripts
System
Users
Volumes
bin
cores
dev
etc
home
installer.failurerequests
macOS Install Data
net
private
sbin
tmp
usr
var
/Volumes/Macintosh HD/macOS Install Data:
InstallInfo.plist       OSInstallAttr.plist     index.sproduct
Locked Files            brtool                  minstallconfig.xml-bash-3.2# bless --info /Volumes/Macintosh\ HD/
         3443 => Blessed System File is
<Preboot>/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/com.apple.installer/boot.efi
           66 => Blessed System Folder is
<Preboot>/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/com.apple.installer
The blessed volume in this APFS container is "/Volumes/Macintosh HD"rm -rf /Volumes/"Macintosh HD"/"macOS Install Data"bless --folder /Volumes/"Macintosh HD"/System/Library/CoreServices --file /Volumes/"Macintosh HD"/System/Library/CoreServices/boot.efibless --info /Volumes/Mac*-bash-3.2# bless --info /Volumes/Mac*
         2940 => Blessed System File is
<Preboot>/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/CoreServices/boot.efi
           29 => Blessed System Folder is
<Preboot>/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/CoreServices
The blessed volume in this APFS container is "/Volumes/Macintosh HD"kextcache -u /Volumes/"Macintosh HD"
diskutil ap updatePreboot disk2s1UpdatePreboot: After copying error=(ZeroMeansSuccess)=0
UpdatePreboot: Looking for locale list on macOS on Target Volume
UpdatePreboot: Locale list item count is 1
UpdatePreboot: Before rendering EFILoginInterfaceGraphics global
localized resources
UpdatePreboot: After rendering EFILoginInterfaceGraphics
FileNamesAndDataObj=(NullIsErr
or)=0x7ff17fc1ce70 ItemCount=10
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/loginui.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/flag_picker.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/preferences.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/battery.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/appleLogo.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/unknown_userUI.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/disk_passwordUI.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/guest_userUI.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/Lucida13.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Writing localized EFI graphics resource file
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/System/Library/Caches/com.apple.corestorage/EFILoginLocalizations/Lucida13White.efires
UpdatePreboot: Successfully wrote EFI resource file
UpdatePreboot: Generating AdminUserList for Recovery purposes
UpdatePreboot: Considering admin user
FFFFEEEE-DDDD-CCCC-BBBB-AAAA00000000
UpdatePreboot: Considering admin user
D4A3B32E-A118-405D-B689-FC7F8E82620D
UpdatePreboot: Considering admin user
1559994D-EF9A-443E-A125-A8187C9628CB
UpdatePreboot: Error among all processed admin users was 0
UpdatePreboot: Writing Admin User Info File to path
/Volumes/Preboot/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/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/DDDEB1DF-E24C-330E-8BDF-41F159AEC243/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 operationParfait.
Va à : Menu  > Disque de démarrage > choisis Macintosh HD > redémarre dessus -->
----------
- je te souhaite une bonne réouverture de session
Note : 'ai déjà traité ce cas de figure un certain nombre de fois.
diskutil info /Volumes/mac*
ls /Volumes/mac*
bless --info /Volumes/mac* 
	 
	-bash-3.2# diskutil info/Volumes/mac*
diskutil: did not recognize verb "info/Volumes/mac*"; type "diskutil" for a list
-bash-3.2# diskutil info /Volumes/mac*
   Device Identifier:        disk0s2
   Device Node:              /dev/disk0s2
   Whole:                    No
   Part of Whole:            disk0
   Device / Media Name:      mac 1T
   Volume Name:              mac 1T
   Mounted:                  Yes
   Mount Point:              /Volumes/mac 1T
   File System Personality:  Journaled HFS+
   Type (Bundle):            hfs
   Name (User Visible):      Mac OS Extended (Journaled)
   Journal:                  Journal size 81920 KB at offset 0x1d1c000
   Owners:                   Enabled
   Partition Type:           Apple_HFS
   OS Can Be Installed:      Yes
   Recovery Disk:            disk0s3
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified
   Volume UUID:              FA5C4457-517F-32B1-9A02-1BE3352917A3
   Disk / Partition UUID:    EF521EEC-2B57-473C-8154-44A8DF412737
   Total Size:               904.3 GB (904345124864 Bytes) (exactly 1766299072 512-Byte-Units)
   Volume Free Space:        34.0 GB (33960886272 Bytes) (exactly 66329856 512-Byte-Units)
   Device Block Size:        512 Bytes
   Allocation Block Size:    4096 Bytes
   Read-Only Media:          No
   Read-Only Volume:         No
   Device Location:          Internal
   Removable Media:          No
   Solid State:              No
-bash-3.2# ls /Volumes/mac*   
.DS_Store                System
.DocumentRevisions-V100            Users
.IABootFiles                Volumes
.IAProductInfo                bin
.IFO                    blackra1n.log
.OSInstallMessages            blackra1n.log.0.gz
.OSInstallerMessages            blackra1n.log.1.gz
.Spotlight-V100                blackra1n.log.2.gz
.TALRestoreApps                cores
.TemporaryItems                decompress
.Trashes                dev
.cleverfiles                etc
.com.apple.timemachine.donotpresent    freeplayer
.com.bombich.ccc.start_time        iBSS.n88ap
.file                    installer.failurerequests
.fseventsd                ipa
.vol                    jailbreak
Applications                kernelcache.release.n88
Body.of.Lies.DVDRip.XviD-DiAMOND.srt    net
DOSSIER AUCLIN                parts perret 2018
Incompatible Software            private
Library                    sbin
Nautical ebooks                tmp
Network                    usr
OS X Install Data            var
Recovered Items                xtorrent
Resources
-bash-3.2# bless --info/Volumes/mac*
bless: unrecognized option `--info/Volumes/mac*'
Usage: bless [options]
bless --help
bless --folder directory [--file file]
    [--bootinfo [file]] [--bootefi [file]]
    [--setBoot] [--openfolder directory] [--verbose]
bless --mount directory [--file file] [--setBoot] [--verbose]
bless --device device [--setBoot] [--verbose]
bless --netboot --server url [--verbose]
bless --info [directory] [--getBoot] [--plist] [--verbose] [--version]
-bash-3.2# 
	