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apropos

APROPOS(1)						    BSD General Commands Manual 						APROPOS(1)

NAME

     apropos -- search the complete content of all man pages

SYNOPSIS

     apropos [-123456789Ccp] [-n Number of results] [-S machine] [-s section] query

DESCRIPTION

     The apropos utility performs a full text search over the complete content of all man pages.  It uses the FTS engine of Sqlite to perform the
     search.  The database is created with the help of makemandb(8) utility.

     This implementation of the apropos utility is more sophisticated than the classical version of apropos.  Like modern search applications, it
     uses advanced techniques like stemming and term weighting to rank the matching results in decreasing order of relevance.  By default apropos
     will only display the top 10 matches in the output.

     Quotes are optional for specifying multiword queries.

     It supports the following options:

     -1      Search only within section 1 manual pages.

     -2      Search only within section 2 manual pages.

     -3      Search only within section 3 manual pages.

     -4      Search only within section 4 manual pages.

     -5      Search only within section 5 manual pages.

     -6      Search only within section 6 manual pages.

     -7      Search only within section 7 manual pages.

     -8      Search only within section 8 manual pages.

     -9      Search only within section 9 manual pages.

     -C      Do not show the context of the match.

     -c      Do show the context of the match (default).

     -n      Output up to the specified number of search results.  The default limit is 10.

     -p      Display all matching results and pipe them through a pager (defaulting to more(1)).

     -S machine
	     Limit the search to the pages for the specified machine architecture.  By default pages for all architectures are shown in the search
	     results.

     -s section
	     Restrict the search to the specified section of the manual.  By default, pages from all section are shown.  This option is for back-
	     wards compatibility with the classic version of apropos, using it is equivalent to using the [123456789] options directly.

FILES

     /var/db/man.db The Sqlite FTS database which contains an index of the manual pages.

SEE ALSO

     man(1), whatis(1), makemandb(8)

HISTORY

     The apropos command appeared in 3.0BSD.  It was rewritten in NetBSD 6.0 to support full text search using Sqlite.

AUTHORS

     Abhinav Upadhyay

BSD
								  April 21, 2012							       BSD