用grep命令在所有的普通文件中搜索hostname这个词：
# find . -type f -print | xargs grep "hostname"
./httpd1.conf:# different IP addresses or hostnames and have them handled by the
./httpd1.conf:# VirtualHost: If you want to maintain multiple domains/hostnames
on your
用grep命令在当前目录下的所有普通文件中搜索hostnames这个词：
# find . -name /* -type f -print | xargs grep "hostnames"
./httpd1.conf:# different IP addresses or hostnames and have them handled by the
./httpd1.conf:# VirtualHost: If you want to maintain multiple domains/hostnames
on your
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