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单项选择题

将apache配置文件中的端口号直接修改为8080,可用()……

将apache配置文件中的端口号直接修改为8080,可用()

A.grep’s/listen.*/listen8080/’/etc/httpd/conf/httpd.conf
B.sed-i’s/listen.*/listen8080/’/etc/httpd/conf/httpd.conf
C.sed’/listen.*/d’/etc/httpd/conf/httpd.conf
D.sed-n’/listen.*/p’/etc/httpd/conf/httpd.conf