EFI/UEFI Shell Command
Lists the commands supported by the EFI Shell interface on EFI/UEFI.
The EFI Shell is accessible from an nPartition console when the nPartition is in an active state but has not booted an operating system.
For details on these commands, enter help command at the EFI shell prompt.
The following categories of commands are available:
“Boot Commands — EFI Shell”.
“Configuration Commands — EFI Shell”.
“Device, Driver, and Handle Commands — EFI Shell”.
“Filesystem Commands — EFI Shell”.
“Memory Commands — EFI Shell”.
“Shell Navigation and Other Commands — EFI Shell”.
“Shell Script Commands / Programming Constructs — EFI Shell”.
| Command | Description |
|---|---|
| Boot Commands — EFI Shell.
Commands related to nPartition booting. n分區啟動的相關命令 |
|
| autoboot | Set/view autoboot timeout variable. |
| bcfg | Display/modify the driver/boot configuration. |
| boottest | Set/view BootTest bits. |
| dbprofile | Display/modify direct boot profiles for use by lanboot. |
| lanboot | Boot over the LAN. |
| reconfigreset | Reset the system (nPartition) for reconfiguration; the nPartition remains inactive, in the shutdown for reconfig state. |
| reset | Reset the system (nPartition). |
| search | Connect drivers for bootables devices. |
| Configuration Commands — EFI Shell.
Commands for changing and retrieving system (nPartition) information. |
|
| acpiconfig | Set/view ACPI configuration mode. |
| cellconfig | Deconfigure/reconfigure cells. (Set cell use-on-next-boot values.) |
| cpuconfig | Deconfigure/reconfigure processors and processor cores.. |
| date | Display the current date or set the date of the system (nPartition). |
| dimmconfig | Deconfigure/reconfigure memory (DIMMs). |
| err | Display/change the error level. |
| errdump | View/clear logs. |
| fru | View FRU data. |
| info | Display hardware information. |
| monarch | Set/view a monarch processor. |
| palproc | Make a PAL call. |
| romdrivers | Enable/disable PCI expansion ROM drivers. |
| rootcell | Set/view preferred root cells. (Set nPartition core cell choices.) |
| salproc | Make a SAL call. |
| tftp | Performs TFTP operation to a bootp/DHCP enabled Unix boot server. |
| time | Display the current time or set the time of the system (nPartition). EFI time is set and presented in GMT (Greenwich mean time). |
| variable | Save/restore specific EFI variables. |
| ver | Display the version information. |
| Device, Driver, and Handle Commands — EFI Shell.
Commands for managing devices, drivers, and handles. |
|
| baud | View serial port com settings. |
| connect | Bind a driver to a device. |
| dblk | Hex dump of BlkIo devices. |
| devices | Display devices managed by EFI drivers. |
| devtree | Display tree of devices. |
| dh | Dump handle info. |
| disconnect | Disconnect driver(s) from device(s). |
| drivers | Display list of drivers. |
| drvcfg | Invoke the Driver Config Protocol. |
| drvdiag | Invoke the Driver Diagnostics Protocol. |
| guid | Dump known GUID IDs. |
| lanaddress | Display MAC address. |
| load | Load EFI drivers. |
| map | Map shortname to device path. |
| openinfo | Display the open protocols for given handle. |
| pci | Display PCI devices or PCI function configuration space. |
| reconnect | Reconnect driver(s) from a device. |
| unload | Unload a protocol image. |
| Filesystem Commands — EFI Shell.
Commands for managing files, directories, and attributes. |
|
| attrib | Display/change the attributes of files/directories. |
| cd | Update/view the current directory. |
| comp | Compare the contents of two files. |
| cp | Copy one or more files/directories to another location. |
| edit | Edit an ASCII or UNICODE file in full screen. |
| eficompress | Compress infile and write to outfile. |
| efidecompress | Decompress infile and write to outfile. |
| hexedit | Edit a file, block device, or memory region using hex. |
| ls | Display a list of files and subdirectories in a directory. |
| mkdir | Create one or more directories. |
| mount | Mount a filesystem on a block device. |
| rm | Delete one or more files/directories. |
| setsize | Set the size of a file. |
| touch | Update time of file/directory with current time. |
| type | Display the contents of a file. |
| vol | Display volume information of the file system. |
| Memory Commands — EFI Shell.
Commands for listing and managing memory, EFI variables, and NVRAM details. |
|
| default | Set the default NVRAM values. |
| dmem | Dump memory or memory mapped IO. |
| dmpstore | Display all EFI variables. |
| memmap | Display the memory map. |
| mm | Display/modify MEM/IO/PCI. |
| pdt | View/clear nPartition or cell memory page deallocation table (PDT). |
| Shell Navigation and Other Commands — EFI Shell.
Commands for basic EFI Shell navigation and customization. |
|
| alias | Set/get alias settings. |
| cls | Clear the standard output with an optional background color. |
| exit | Exit EFI Shell environment. |
| getmtc | Display current monotonic counter value. |
| help or ? | Display help. |
| mode | Display the mode of the console output device. |
| set | Set/Get environment variable. |
| xchar | Turn on/off extended character features. |
| Shell Script Commands / Programming Constructs — EFI Shell.
EFI shell-script commands. |
|
| echo | Echo message to stdout or toggle script echo. |
| else | Script-only: Use with IF THEN. |
| endfor | Script-only: Delimiter for FOR loop construct. |
| endif | Script-only: Delimiter for IF THEN construct. |
| for | Script-only: Loop construct. |
| goto | Script-only: Jump to label location in script. |
| if | Script-only: IF THEN construct. |
| input | Take user input and place in EFI variable. |
| pause | Script-only: Prompt to quit or continue. |
| stall | Stall the processor for some microseconds. |