Multiple choice technology architecture

Command to change permission to a file biglist with Read and Execute access alone for all the Users?

  1. chmod 555 biglist

  2. chmod 777 biglist

  3. chmod 111 biglist

  4. chmod 561 biglist
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

chmod 555 sets read (4) + execute (1) = 5 for owner, group, and others (r-x r-x r-x). This gives all users read and execute permissions only. 777 gives full read/write/execute, 111 would be execute-only, and 561 mixes permissions inconsistently.

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