Syntax: index <string>   (lists helpfiles starting with a given string)
Syntax: index <string>*  (lists helpfiles ending in the given string  )
Syntax: index *<string>* (lists helpfiles containing the given string )
 
Index is a search command to generate a list of HELPFILES whose keywords
match the given string and search conditions. It will also pull up
helpfiles with the same category as the string.
 
See help CATEGORIES for a list of helpful index categories.