TLDR
Enter a command. For example: mkfile, xsltproc, cut, pod, yaa, cfprefsd.

bless

 
Set volume boot capability and startup disk options. More information: https://ss64.com/osx/bless.html.
 
  • Bless a volume with only Mac OS X or Darwin, and create the BootX and boot.efi files as needed:
     
    bless --folder {{/Volumes/Mac OS X/System/Library/CoreServices}} --bootinfo --bootefi
     
  • Set a volume containing either Mac OS 9 and Mac OS X to be the active volume:
     
    bless --mount {{/Volumes/Mac OS}} --setBoot
     
  • Set the system to NetBoot and broadcast for an available server:
     
    bless --netboot --server {{bsdp://255.255.255.255}}
     
  • Gather information about the currently selected volume (as determined by the firmware), suitable for piping to a program capable of parsing Property Lists:
     
    bless --info --plist

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