I have created one file 'F' wih one owner named 'A' and i want to give the effective userid settings to one program named 'p' written in cobol. even though the other users can't open the file named 'A' above . they can access the file by using the program 'P'.
for that i have set effective user id for the program 'P' using the command 'chmod ug+s p'. when i run the program the following error comes...
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