Terminal pager

A terminal pager, or paging program, is a computer 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]

Screenshot of more, a popular terminal pager

Some programs incorporate their own paging function, for example bash's tab completion function.[3]

Examples
gollark: Nobody was this excited by ABR v1's fortune command.
gollark: ++supported_langs py
gollark: ++supported_langs py
gollark: ++supported_langs
gollark: ++supported_langs

References
  1. manpage of more
  2. manpage of less
  3. "Bash Reference Manual: Programmable Completion Builtins". gnu.org.
  4. manpage of pg
  5. "most(1): browse/page through text file - Linux man page". die.net.
  6. "View-Mode".
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