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What are the file permissions after running the following command? (assuming output.txt currently has -rw-r--r--) chmod a=r output.txt in linux and also if you don't

What are the file permissions after running the following command? (assuming output.txt currently has -rw-r--r--) chmod a=r output.txt in linux

and also if you don't care to answer

What are the permissions for output.txt after running the following command? (assuming output.txt currently has -rw-r--r--) chmod 711 output.txt in linux

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