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Operation Procedure
3.5.3.
EFI Shell
The EFI Shell can be activated from the EFI Boot Manager. The EFI Shell provides Shell
commands for viewing the file system of the boot device, copying the file and various other
operations.
The following is an image of the EFI screen.
Image of the EFI screen
Loading.: EFI Shell [Built-in]
EFI Shell version 1.10 [14.62]
Device mapping table
fs0 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part1,Sig0A7C0000)
blk0 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)
blk1 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part1,Sig0A7C0000)
blk2 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part2,Sig0A7C0000)
blk3 : Acpi(PNP0A03,0)/Pci(2|1)/Ata(Primary,Master)
Shell>
EFI shell prompt
3.5.4.
EFI Shell Commands
The shell commands that can be executed at the EFI Shell and their usage are explained in this
section. The EFI shell command is executed by entering the command and pressing the Enter
key.
alias
attrib
bcfg
break
855-900547-200
EFI Shell Commands
Command
alias [-d|-v|-b] [sname]
[value]
attrib [+a|-a] [+s|-s] [+h|-h]
[+r|-r] [-b] [file ...]
[directory ...]
bcfg driver|boot [dump –v]
[add # file "desc"] [rm #] [mv
# #]
Break
Description
Display/create/delete an alias definition in the
EFI Shell environment.
Display/change the file/directory attribute.
Display/change the driver/boot configuration.
Run the debugger until the breakpoint is
reached.
3-16
List of disk
drives
recognized by
the system
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