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-
- Help is a facility for climbing a tree structure.
-
- Help comes in two types: a help topic with subtopics, or a help topic
- without any subtopics.
-
- Topics that have no subtopics reside in the directory they are
- a subtopic of, with filenames `topicname.HLP'
-
- Topics that have subtopics of their own reside in directories
- which are subdirectories of the help topic of which they are
- subtopics, and have filenames `.HLP' Thier subtopics have the
- filenames `topicname.HLP'. A directory for a subtopic just
- has the subtopic's name as its directory name.
-
- For instance, if you had a help topic "ls" with some subtopics,
- /usr/help/ls would be a directory, containing the files
-
- /usr/help/ls/.HLP main help text
- /usr/help/ls/.MANUAL shell script for accessing man page
- /usr/help/ls/options.HLP help for ls options
- /usr/help/ls/output.HLP help for ls output format
-
- If you had a simple help for the who command, "who", it would comprise
- the following files at the top level:
-
- /usr/help/who.HLP help text for who(1)
- /usr/help/who.MANUAL script for accessing who(1) man page
-
- To make help, cd to the directory, and type:
-
- % make help
-
- or
-
- % make install
-
- if you are ambitious. The source for help is one C module, help.c, with a
- header file, help.h.
-
- Help uses the more(1) program to read help texts. Make sure that more
- resides on the path specified by the VIEWPROGRAM defined symbol in help.h.
-
-