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sudo rm  ½â³ýËøÎļþ¼Ð
sudo chmod 777 / ÓÐÁËËùÓÐȨÏÞ
yjh@ubuntu:~$ cd /etc
yjh@ubuntu:/etc$ sudo chmod 777 bash.bashrc        ³¬¼¶Óû§È¨ÏÞ ÐÞ¸Äbash.bashrc
yjh@ubuntu:/etc$ gedit bash.bashrc
yjh@ubuntu:/etc$
etcÏ»·¾³±äÁ¿  Ð޸Ġ bash.bashrv
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export PATH="$PATH:/opt/host/armv4l/bin/"
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