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Unix

Q1: Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

A chmod u+x emp[1-3]

B chmod 777 emp*

C chmod u+r ??? emp

D chmod 222 emp?

E None of the above

ANS:A - chmod u+x emp[1-3]

U+x means adding execute (x) permission to user(u), if they have read permission then the final result is read and execute permission.



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