Specifications

Version 2.0
115
dmpstore
Summary
Manages all UEFI NVRAM variables.
Usage
dmpstore [-b] [-d] [-all | ([variable] [–guid guid])]
dmpstore [-all | ([variable] [–guid guid])] -s file
dmpstore [-all | ([variable] [–guid guid])] -l file
Options
-b
Display one screen at a time
variable
Specifies the name of the variable name. May be a literal name or a pattern as
specified in the MetaiMatch() function of the
EFI_UNICODE_COLLATION2_PROCOOL.
-guid
Specifies the GUID of the variables to be displayed. The GUID has the standard
text format. If guid is not specified and –all is not specified, then the
EFI_GLOBAL_VARIABLE GUID is assumed.
-all
Indicates that all variables should be dumped, including those with a different
GUID that EFI_GLOBAL_VARIABLE.
-d
Delete variables
-s
Save variables to file
-l
Load and set variables from file
Description
This command is used to manage the UEFI NVRAM variables. The variables to display
or delete depend on the command line options, as specified in the following table:
Table 17 Variable command line options
Variable GUID -all Description
--- --- --- All variables with the GUID EFI_GLOBAL_VARIABLE will be
operated on.
--- --- --- All variables (regardless of GUID or name) will be operated on.