Using The Efi Shell - HP zx2000 Technical Reference Manual

using the EFI shell

To access the EFI shell:
1. When the EFI boot option screen displays, use the arrow keys to highlight
press
Enter
NOTE: You have 7 seconds to change the boot option before the system boots to the default OS.
2. A list of file systems (drives and partitions), and block devices on hard drives is displayed.
For example:
Device mapping table
fs0: Acpi(HWP0002,100)/Pci(1|0)/Scsi(Pun0,Lun0)/HD(Part1,Sig00112233)
blk0: Acpi(HWP0002,0)/Pci(2|0)/Ata(Primary,Master)
blk1: Acpi(HWP0002,100)/Pci(1|0)/Scsi(Pun0,Lun0)
3. The EFI shell first searches for an optional script file named startup.nsh.
❏
If this file is found, it is executed automatically.
❏
If the script does not automatically start an OS or other application, the shell then waits
for commands to be entered at the command prompt.
4. You can now enter commands.
To run an individual command:
a. Type the command at the shell prompt. For example, to clear the display on the monitor
enter the
Shell:> cls
b. Press
◆
Some commands require additional arguments to further define their action. For
example, to display information about the system memory, you must type the
command name (
◆
When you enter individual commands at the command prompt, the shell performs
variable substitution, then expands wild cards before the command is executed.
◆
To switch to a different file system, execute the following, where fsx is the selected
file system, as listed on the screen (see step 2). For example:
You see this prompt:
◆
You can also run EFI applications (files ending with
current file system, run the
You see a list of applications on the fs0 file system.
technical reference guide
.
cls
command:
to execute the command.
Enter
info
), plus the desired category of information to display (
fs0:\> info mem
Shell> fs0:
fs0:\> _
fs0:> ls
ls
command. For example:
System Configuration
EFI Shell , then
mem
.efi
). To list applications in the
):
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