efivar - Tool to manipulate UEFI variables
- -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