Unix
The command to count the number of files in the current directory by using pipes, is

ls -l | wc -l
ls | wc
ls | wc -w
ls | ws -c

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Unix
The [line number G] key allows you

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

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