@awwwwa ok, 搞定, 謝謝.

Hi all,
我要在開機後執行4行指令

cd /sys/kernel/debug/dispdbg
echo suspend > command; echo disp0 > name; echo 1 > start
echo resume > command; echo disp0 > name; echo 1 > start
cd /

所以:
1.我在建立了\etc\intit.d\auto_run_script.sh檔, 並設為可執行.

#!/bin/bash
cd /sys/kernel/debug/dispdbg
echo suspend > command; echo disp0 > name; echo 1 > start
echo resume > command; echo disp0 > name; echo 1 > start
cd /

2. 然後修改etc/init.d/rcS, 在最後一行加入
   source ./etc/init.d/auto_run_script.sh

執行後報錯, 出現
" /etc/init.d/rcS: cd: line 2: can't cd to /sys/kernel/debug/dispdbg "

小弟剛入門linux, 請問該如何修正, , 謝謝.