Info Catalog grub2: play grub2: Command-line and menu entry commands grub2: pxe_unload

grub2: probe

 
 16.3.57 probe
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  -- Command: probe ['--set' var]
           '--driver'|'--partmap'|'--fs'|'--fs-uuid'|'--label' device
      Retrieve device information.  If option '--set' is given, assign
      result to variable VAR, otherwise print information on the screen.
 

Info Catalog grub2: play grub2: Command-line and menu entry commands grub2: pxe_unload