Specifications

74 Version 2.0
Table 10 Commands from Default Build Shell
Command Description Required at
Shell Level or
Profile
alias
Displays, creates, or deletes aliases in the UEFI Shell
environment
3
attrib
Displays or changes the attributes of files or
directories.
2
bcfg
Manipulate boot order and driver order Debug1, Install1
cd
Displays or changes the current directory 2
cls
Clears the standard output and optionally changes
the background color
3
comp
Compares the contents of two files on a byte for byte
basis
Debug1
connect
Binds a driver to a specific device and starts the
driver.
Driver1
cp
Copies one or more source files or directories to a
destination.
2
date
Displays and sets the current date for the system. 2/3
dblk
Displays the contents of one or more blocks from a
block device.
Debug1
del
Deletes one or more files or directories. 2
devices
Displays the list of devices managed by UEFI drivers. Driver1
devtree
Displays the tree of devices compliant with the UEFI
Driver Model.
Driver1
dh
Displays the device handles in the UEFI environment. Driver1
dir
Lists directory contents or file information. 2
disconnect
Disconnects one or more drivers from the specified
devices.
Driver1
dmem
Displays the contents of system or device memory. Debug1
dmpstore
Manages all UEFI NVRAM variables. Debug1
drivers
Displays a list of information for drivers that follow
the EFI Driver Model in the EFI environment.
Driver1
drvcfg
Configures the driver using the UEFI Configuration
Access Protocol.
Driver1
drvdiag
Invokes the Driver Diagnostics Protocol. Driver1
echo
Controls whether or not script commands are
displayed as they are read from the script file and
prints the given message to the display.
3