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vi file.txt
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Àý£ºsed -i 's/\/usr\/local\/apache2\/htdocs/\/var\/www\/html/g' /usr/local/apache2/conf/httpd.conf
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1) find . -ctime +3 -exec rm -rf {} \;
2) find ./ -mtime +3 -print|xargs rm -f –r
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1) find /dir -name filename.ext
2) du -a | grep filename.ext
3) locate filename.ext
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rm -f filename/   
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find /mnt/ebook/ -type f -exec grep "ÔÚ´ËÊäÈë¹Ø¼ü×Ö" {} \; -print -exec rm {} \;
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