查找目录下的所有文件中是否含有某个字符串 find . | xargs grep -ri "IBM"
find . | xargs grep -ri "IBM"
查找目录下所有文件中是否含有某个字符串，并且只打印出文件名 find . | xargs grep -ri "IBM" -l
find . | xargs grep -ri "IBM" -l