http://www.fmi.uni-passau.de/archive/doc/unix/unixhelp/Unixhelp/tasks_display1.html (Einblicke ins Internet, 10/1995)A pager is a program for displaying the contents of a text file one screenful at a time. The most commonly used pager programs are more and less.
Most pagers have many other capabilities built in, such as searching for a particular piece of text.