Question: When a program takes an input from users, we can redirect the input device, so the program can take the input from a file. For

When a program takes an input from users, we can redirect the input device, so the program can take the input from a file. For example, we can use prog < myfile to provide the data from myfile as input to the prog program. Now, if prog is a root-owned Set-UID program, can we use the following method to get this privileged program to read from the /etc/shadow file?

$prog < / etc/ shadow

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