Hp Unified Extensible Firmware Interface Bedienungsanleitung PDF herunterladen (Seite 17)

Example 6 Using -q to suppress the confirmation prompt

fs0:\> rm -q test\temp*

removing fs0:\test\temp1\temp1.txt

- [ok]

removing fs0:\test\temp1\boot\nshell.efi

- [ok]

removing fs0:\test\temp1\boot

- [ok]

removing fs0:\test\temp1

- [ok]

removing fs0:\test\temp2\temp2.txt

- [ok]

removing fs0:\test\temp2

- [ok]

Displaying command help

There are a variety of command options to display detailed and summarized help for one or more

commands.

Displaying all command help

Example 7 (page 17) shows how to display help for all commands one screen at a time:

Example 7 Displaying all command help

Shell> help –b

alias - Displays, creates, or deletes UEFI Shell aliases.

attrib - Displays or changes the attributes of files or directories.

cd - Displays or changes the current directory.

cls - Clears standard output and optionally changes background color.

comp - Compares the contents of two files on a byte for byte basis.

cp - Copies one or more files or directories to another location.

date - Displays and sets the current date for the system.

devices - Displays the list of devices managed by UEFI drivers.

devtree - Displays the UEFI Driver Model compliant device tree.

dh - Displays the device handles in the UEFI environment.

dmem - Displays the contents of system or device memory.

drivers - Displays the UEFI driver list.

echo - Controls script file command echoing or displays a message.

edit - Full screen editor for ASCII or UCS-2 files.

eficompress - Compresses a file using UEFI Compression Algorithm.

efidecompress - Decompresses a file using UEFI Decompression Algorithm.

else - Identifies the code executed when 'if' is FALSE.

endfor - Ends a 'for' loop.

endif - Ends the block of a script controlled by an 'if' statement.

exit - Exits the UEFI Shell or the current script.

for - Starts a loop based on 'for' syntax.

fwupdate - Invokes an HP UEFI Shell utility used to update System BIOS firmware.

getmtc - Gets the MTC from BootServices and displays it.

Press ENTER to continue or 'Q' break:

Displaying help for a specific command

Use any of the following syntax options to display specific command help:

• help commandname

• ? commandname

• commandname -?

Example 8 (page 18) shows one way to display help for the ls command (one screen at a time).

Getting started 17

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