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deb http://deb.opera.com/opera/ unstable non-free
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deb http://deb.opera.com/opera/ stable non-free
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http://freeglad.javaeye.com/blog/586444
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backup.sh
rq=`date '+%Y%m%d%H%M'`
su - oracle -c "exp zjhk/zjhk_123 owner=zjhk file=/home/oracle/zjhk_$rq.dmp"
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