When the shell creates a new process to perform a command, how does it determine whether a file is executable? If a file is executable, how does it know the difference between a shell script and a file formed by a compilation? What's the best way to go about verifying the scenarios mentioned above?

When the shell creates a new process to perform a command, how does it determine whether a file is executable? If a file is executable, how does it know the difference between a shell script and a file formed by a compilation? What's the best way to go about verifying the scenarios mentioned above?

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.

5th Edition

ISBN:9781337569798

Author:ECKERT

Publisher:ECKERT

Chapter7: Working With The Bash Shell

Section: Chapter Questions

Problem 15RQ

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When the shell creates a new process to perform a command, how does it determine whether a
file is executable? If a file is executable, how does it know the difference between a shell script
and a file formed by a compilation? What's the best way to go about verifying the scenarios
mentioned above?

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