Associates a marker name with the current cursor position. You can
    later use that marker name with the GOTO MARK command to return to
    the specified position.

    Format

      SET MARK   marker-name

1  –  Parameter

 marker-name
    Specifies the name of the marker to be placed. For a marker name,
    you may use any combination of up to 21 alphanumeric characters,
    underscores, or dollar signs. If this marker name is already in
    use, the previous marker is canceled.