Multiple choice technology mainframe After hiding all the line how do you display the last line in a Mainframe program Show last Last only N L Reveal answer Fill a bubble to check yourself D Correct answer Explanation In TSO/ISPF, after hiding lines with the X (exclude) command, you use L (last) to display the last hidden line. This shows the last excluded line without un-hiding all lines. 'Show last', 'Last only', and 'N' are not valid commands for this purpose.