efivar − Tool to manipulate UEFI variables
efivar [OPTION...]
−A, −−attributes=<attributes>
attributes to use on append
−l, −−list
list current variables
−p, −−print
print variable specified by −−name
−D, −−dmpstore
use DMPSTORE format when exporting
−d, −−print−decimal
print variable in decimal format values specified by −−name
−n, −−name=<guid−name>
variable to manipulate, in the form 8be4df61−93ca−11d2−aa0d−00e098032b8c−Boot0000
−a, −−append
append to variable specified by −−name
−f, −−datafile=<file>
load or save variable contents from <file>
−e, −−export=<file>
export variable to <file>
−i, −−import=<file>
import variable from <file>
−L, −−list−guids
show internal guid list
−w, −−write
write to variable specified by −−name
−?, −−help
Show this help message
−−usage
Display brief usage message