Unix
The chmod ugo+rw note command can be represented in octal notation as

chmod 333 note
chmod 444 note
chmod 666 note
chmod 555 note

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Unix
The ls -l command tells

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

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Unix
The [line number G] key allows you

None of these
to move cursor down by one line
to move cursor to the beginning of the line specified by the number
to move cursor left by one position
to move cursor right by one position

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