Using rx tool to transfer file

;Step 1:
; Target board
; # mount -o remount,rw /dev/block/mtdblock2 /system
; # rx a.tgz
;Step 2:
; PC->tera term ->File-> Transfer->XMODEM->Send
;Step 3:
; Target board
; #tar -xvf a.tgz



mount -o remount,rw /dev/block/mtdblock2 /system;dmesg -n1 ; rx a.tgz ;tar -C /system/tmp/ -xvf a.tgz ; rm a.tgz ;mount -o remount,ro /dev/block/mtdblock2 /system