I’ve always wondered this but finally got the answer as to why you should use:
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When adding the ‘-‘ character to the end of this command, you are also put into the PATH of the superuser. Without it, you cannot access things like the ‘service’ command for restarting services.

Posted by Chris Klosowski

Chris Klosowski is the Director of Technology at Sandhills Development, LLC, creators of fine WordPress plugins, and ecommerce solutions.

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