Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

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Question:
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

1.chmod u+x emp[1-3]

2.chmod 777 emp*

3.chmod u+r ??? emp

4.chmod 222 emp?

Posted Date:-2021-02-20 13:58:00

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