使用sed将apache配置文件中的端口号直接修改为8080,以下正确的是()
A.grep 's/listen.*/listen 8080/' /etc/httpd/conf/httpd.conf
B.sed -i 's/listen.*/listen 8080/' /etc/httpd/conf/httpd.conf
C.sed '/listen.*/d' /etc/httpd/conf/httpd.conf
D.sed -n '/listen.*/p' /etc/httpd/conf/httpd.conf
C、sed '/listen.*/d' /etc/httpd/conf/httpd.conf
解析:SED-I'S/LISTEN*/LISTEN8080/'/ETC/HTTPD/CONF/HTTPDCONF