查询替换

find aaa/ -name "*.php" | xargs -i cp --parents  {}  /home/chan/

grep -rl 'aaa' /home | xargs sed -i 's/aaa/bbb/g'

find  /home  -type f -name "ok.txt"  -exec rename 'ok.txt' 'OK.txt' {} ;

find  /home  -type d -name "ok"  -exec rename 'ok' 'OK' {} ;