Available commands:

mfg                 Do a verify functionality of the major H/W components: nand flash/led/buttons
gpio                GPIO pins control
flashrw             Flash Read/Write.
devinfo             devinfo utility.
nvram               NVRAM utility.
reboot              Reboot.
set console         Change the active console device
loop                Loop a command
flash               Update a flash memory device
memtest             Test memory.
f                   Fill contents of memory.
e                   Modify contents of memory.
d                   Dump memory.
u                   Disassemble instructions.
batch               Load a batch file into memory and execute it
go                  Verify and boot OS image.
boot                Load an executable file into memory and execute it
load                Load an executable file into memory without executing it
save                Save a region of memory to a remote file via TFTP
ping                Ping a remote IP host.
arp                 Display or modify the ARP Table
ifconfig            Configure the Ethernet interface
show clocks         Show current values of the clocks.
show heap           Display information about CFE’s heap
show memory         Display the system physical memory map.
show devices        Display information about the installed devices.
unsetenv            Delete an environment variable.
printenv            Display the environment variables
setenv              Set an environment variable.
help                Obtain help for CFE commands