specifies the line to be deleted or the first line of a range
of lines to be deleted.
line_number_2
specifies the last line of a range of lines to be deleted.
*
specifies the first line to be deleted is the line indicated by
the current line pointer in the system. If no line is specified,
then this is the default.
count
specifies the number of lines to be deleted starting at the location
indicated by the preceding operand.