Terminal pager
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A terminal pager, or paging program, is a program used to view (but not modify) the contents of a text file moving down the file one line or one screen at a time. Some, but not all, pagers allow movement up a file. A popular cross-platform terminal pager is more. more can move forwards and backwards in text files but cannot move backwards in pipes. [1] less is a more advanced pager that allows movement forward and backward, and contains extra functions such as search.[2]
Some programs incorporate their own paging function, for example bash's tab completion function.[3]
