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apachectl

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apachectl -version (return code: 0)

Server version: Apache/2.4.18 (Ubuntu)
Server built:   2016-07-14T12:32:26

apachectl --help (return code: 1)

Usage: /usr/sbin/apachectl start|stop|restart|graceful|graceful-stop|configtest|status|fullstatus|help
       /usr/sbin/apachectl <apache2 args>

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