Computers and Technology, 24.02.2020 21:27 hayesgenniferozslxr

What is "shell program"? What is the reason for using a shell program? How do you make a shell(.sh) file executable? What is the difference between creating a shell program and regular program? What is the difference between running program with and without exec? What does the ps command do, and how can it be useful for you? Why do we need 3 sets of file permission for a file or folder?

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What is "shell program"? What is the reason for using a shell program? How do you make a shell(.sh)...