02-23-2010
You need to (re) build the apropos database to get man -k to work properly.
Have you looked at the man page for
mandb?
Quote:
mandb is used to initialise or manually update index database caches
that are usually maintained by man. The caches contain information
relevant to the current state of the manual page system and the infor-
mation stored within them is used by the man-db utilities to enhance
their speed and functionality.
When creating or updating an index, mandb will warn of bad ROFF .so
requests, bogus manual page filenames and manual pages from which the
whatis cannot be parsed.
Supplying mandb with an optional colon-delimited path will override the
internal system manual page hierarchy search path, determined from
information found within the man-db configuration file
.
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LEARN ABOUT OPENDARWIN
manpath
MANPATH(1) Manual pager utils MANPATH(1)
NAME
manpath - determine search path for manual pages
SYNOPSIS
manpath [-qgdc?V] [-m system[,...]] [-C file]
DESCRIPTION
If $MANPATH is set, manpath will simply display its contents and issue a warning. If not, manpath will determine a suitable manual page
hierarchy search path and display the results.
The colon-delimited path is determined using information gained from the man-db configuration file - (/etc/manpath.config) and the user's
environment.
OPTIONS
-q, --quiet
Do not issue warnings.
-d, --debug
Print debugging information.
-c, --catpath
Produce a catpath as opposed to a manpath. Once the manpath is determined, each path element is converted to its relative catpath.
-g, --global
Produce a manpath consisting of all paths named as `global' within the man-db configuration file.
-m system[,...], --systems=system[,...]
If this system has access to other operating system's manual hierarchies, this option can be used to include them in the output of
manpath. To include NewOS's manual page hierarchies use the option -m NewOS.
The system specified can be a combination of comma delimited operating system names. To include the native operating system's man-
ual page hierarchies, the system name man must be included in the argument string. This option will override the $SYSTEM environ-
ment variable.
-C file, --config-file=file
Use this user configuration file rather than the default of ~/.manpath.
-?, --help
Print a help message and exit.
--usage
Print a short usage message and exit.
-V, --version
Display version information.
ENVIRONMENT
MANPATH
If $MANPATH is set, manpath displays its value rather than determining it on the fly. If $MANPATH is prefixed by a colon, then the
value of the variable is appended to the list determined from the content of the configuration files. If the colon comes at the end
of the value in the variable, then the determined list is appended to the content of the variable. If the value of the variable
contains a double colon (::), then the determined list is inserted in the middle of the value, between the two colons.
SYSTEM If $SYSTEM is set, it will have the same effect as if it had been specified as the argument to the -m option.
FILES
/etc/manpath.config man-db configuration file.
SEE ALSO
apropos(1), man(1), whatis(1)
AUTHOR
Wilf. (G.Wilford@ee.surrey.ac.uk).
Fabrizio Polacco (fpolacco@debian.org).
Colin Watson (cjwatson@debian.org).
2.8.3 2018-04-05 MANPATH(1)