Unix
Which of the following commands is used to assign executable permission to the owner of the file named "note"?

chmod u+w note
chmod u+x note
chmod g+x note
chmod ugo+x note

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Unix
The ls -l command tells

None of these
the name of the group owner of the file
who the owner of the file is
All of these
how large the file is and when the file was last modified.

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