L)ine: You can set the scroll page length with the "L" command. The 
scroll page length is the number of lines that will be displayed on you 
screen before halting. "L" is typically set at 23 lines per page when 
you first log on.  

You will be asked for the page length after you give the "L" command.  
You can produce a continuous scroll on your screen by entering a 0.
Then your screen will not pause when it is full.
 
