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cannot execute program without using sudo

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linux-howto

http://stackoverflow.com – I am having trouble getting a file to execute without typing sudo before it. I think the problem is the libraries I used require you to be a superuser. I am working on a program for the Raspberry Pi and so far everything has worked great. The program takes a command line argument and outputs it to a separate 2x16 LCD. So if I type the following command as root or place sudo in front of it the program functions as intended:./serialTest Hello World. What I am working on now is getting the value of a text box on a PHP webpage and submitting it to the program as a command line argument using th (HowTos)