Commands

 update <filename> reflash device from update.zip
 flashall 'flash boot' + 'flash system'
 flash <partition> [ <filename> ] write a file to a flash partition
 erase <partition> erase a flash partition
 getvar <variable> display a bootloader variable
 boot <kernel> [ <ramdisk> ] download and boot kernel
 flash:raw boot <kernel> [ <ramdisk> ] create bootimage and flash it
 devices list all connected devices
 reboot reboot device normally
 reboot-bootloader reboot device into bootloader
 
options:
 -w erase userdata and cache
 -s <serial number> specify device serial number
 -p <product> specify product name
 -c <cmdline> override kernel commandline

Flashrec
sdcard/[file name]