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yjh@ubuntu:/etc$ gedit bash.bashrc
yjh@ubuntu:/etc$
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export PATH="$PATH:/opt/host/armv4l/bin/"
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http://blog.sina.com.cn/s/blog_5335d4340100bsxr.html
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ls -l
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yjh@ubuntu:~$ cd /etc
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yjh@ubuntu:/etc$ gedit bash.bashrc
yjh@ubuntu:/etc$
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http://blog.chinaunix.net/u2/62910/showart_1090856.html
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