특정 패턴에 해당하는 파일 가운데 특정 문자열을 가진 파일만 찾기

[root@su250 ~]# locate *.conf | grep httpd

/etc/httpd/conf/httpd.conf

/etc/httpd/conf.d/manual.conf

/etc/httpd/conf.d/perl.conf

/etc/httpd/conf.d/php.conf

/etc/httpd/conf.d/proxy_ajp.conf

/etc/httpd/conf.d/python.conf

/etc/httpd/conf.d/squid.conf

/etc/httpd/conf.d/ssl.conf

/etc/httpd/conf.d/webalizer.conf

/etc/httpd/conf.d/welcome.conf

/root/httpd/conf/httpd.conf

/root/httpd/conf.d/manual.conf

/root/httpd/conf.d/perl.conf

/root/httpd/conf.d/php.conf

/root/httpd/conf.d/proxy_ajp.conf

/root/httpd/conf.d/python.conf

/root/httpd/conf.d/squid.conf

/root/httpd/conf.d/ssl.conf

/root/httpd/conf.d/webalizer.conf

/root/httpd/conf.d/welcome.conf

/root/httpd2/conf/httpd.conf

/root/httpd2/conf.d/manual.conf

/root/httpd2/conf.d/perl.conf

/root/httpd2/conf.d/php.conf

/root/httpd2/conf.d/proxy_ajp.conf

/root/httpd2/conf.d/python.conf

/root/httpd2/conf.d/squid.conf

/root/httpd2/conf.d/ssl.conf

/root/httpd2/conf.d/webalizer.conf

/root/httpd2/conf.d/welcome.conf

/usr/share/doc/jpackage-utils-1.7.5/httpd-javadoc.conf

[root@su250 ~]#