Multiple choice technology mainframe

After hiding all the line how do you display the First line in a Mainframe program

  1. Show First

  2. First Only

  3. F

  4. L

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In IBM mainframe ISPF (Interactive System Productivity Facility), 'F' is the primary line command used to display the first line of a dataset when all lines are hidden. Similarly, other single-letter commands control line display and navigation in ISPF edit mode.