Specifications

116 Version 2.0
--- X --- All variables with the specified GUID will be operated on.
X --- --- The variable with the GUID EFI_GLOBAL_VARIABLE and the
name(s) Variable will be operated on.
X X --- The variable with the specified GUID and name Variable will be
operated on.
The variable value is printed as hexadecimal dump.
Option –d is used to delete variables. Option –s and –l are used to save and load
variables to and from file. The variable name can be specified when using these
variables so that the operation only takes effect on that variable.