You wish to convert all files with an .sh extension into executable files (only for the owner). How can you do this with a wildcard?

Question

You wish to convert all files with an  .sh extension into executable files (only for the owner). How can you do this with a wildcard?

BlackTom AI · Accepted Answer

The question asks: You wish to convert all files with an .sh extension into executable files (only for the owner). How can you do this with a wildcard?

Option 1: 'chmod u+x *.sh' This is the correct approach given the goal. The wildcard *.sh matches only files ending with the .sh extension, and 'chmod u+x' adds the execute permission for the owner only. This precisely targets shell scripts without altering other file types, fulfilling both scope and permission criteria.

Option 2: 'chmod u+x *' This would attempt to add the owner execute bit to every file in the current directory, not just those ending in .sh. It violates the requirement to limit changes to files with the .sh extension and risks changing permissions on non-script files, which could be undesirable or harmful.

Option 3: 'No answer text provided.' This option contains no actionable command and therefore cannot satisfy the task. It provides no executable instruction, making it incorrect.

Option 4: 'No answer text provided.' This is identical to the previous non-instruction option and likewise cannot satisfy the requirement.

In summary, among the given choices, the only command that correctly targets only .sh files and applies the owner execute permission is 'chmod u+x *.sh'. The other valid-looking options either broaden the scope beyond .sh files or are placeholders with no actionable content.

IWBS001 Script Examples Ungraded Quiz

You wish to convert all files with an .sh extension into executable files (only for the owner). How can you do this with a wildcard?

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