STEPS to Run Program
-->Extract the zip file
-->Go to the directory where containing the make file and the source files then write in the terminal  ./ProjectOSGui_1stEdit 
and provide it with an argv[1]

ex:
./ProjectOSGui_1stEdit /home


Note: the folder containing the make file is "build-ProjectOSGui_1stEdit-Desktop_Qt_5_12_2_GCC_64bit-Release"



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OR 

-->Open in QT Creater and Remove comment from line 105 (which has the code argv[1]="/home";)
Note: you can change the directory to any path you want then run from inside the program