-bash-3.2# ls /Volumes/"Macbook HD"
.DS_Store System
.DocumentRevisions-V100 Users
.OSInstallerMessages Volumes
.PKInstallSandboxManager-SystemSoftware bin
.Spotlight-V100 cores
.TALRestoreApps dev
.Trashes etc
.com.apple.timemachine.donotpresent home
.com_kaspersky_iswift_journal installer.failurerequests
.file macOS Install Data
.fseventsd net
.hotfiles.btree private
.vol sbin
Applications tmp
Library usr
Network var
-bash-3.2# bless --info /Volumes/"Macbook HD"
finderinfo[0]: 3311517 => Blessed System Folder is /Volumes/Macbook HD/System/Library/CoreServices
finderinfo[1]: 3751189 => Blessed System File is /Volumes/Macbook HD/System/Library/CoreServices/boot.efi
finderinfo[2]: 0 => Open-folder linked list empty
finderinfo[3]: 0 => No alternate OS blessed file/folder
finderinfo[4]: 0 => Unused field unset
finderinfo[5]: 3311517 => OS X blessed folder is /Volumes/Macbook HD/System/Library/CoreServices
64-bit VSDB volume id: 0x709526F536AE3FCA
-bash-3.2#