WHATIS(1) WHATIS(1) whatis - display one-line manual page descriptions whatis [-dlv?V] [-r|-w] [-s list] [-m system[,...]] [-M path] [-L locale] [-C file] name ... whatis name name (-w ) (-r ) name (\) mandb mandb cron whatis whatis -M manpath -w '*' | sort > manpath/whatis manpath /usr/man -d, --debug -v, --verbose -r, --regex name name whatis -w, --wildcard name name whatis -l, --long (NAME) -s list, --sections=list, --section=list list list "3" "3" "3perl" "3x" list "3perl" -m system[,...], --systems=system[,...] If this system has access to other operating systems' manual page names, they can be accessed using this option. To search NewOS's manual page names, use the option -m NewOS. system OS man $SYSTEM -M path, --manpath=path whatis $MANPATH $MANPATH $PATH $MANPATH -L locale, --locale=locale whatis C setlocale(3) $LC_MESSAGES $LANG whatis locale -C file, --config-file=file Use this user configuration file rather than the default of ~/.manpath. -?, --help --usage Print a short usage message and exit. -V, --version 0 1 2 16 SYSTEM $SYSTEM -m MANPATH $MANPATH See the SEARCH PATH section of manpath(5) for the default behaviour and details of how this environment variable is handled. MANWIDTH If $MANWIDTH is set, its value is used as the terminal width (see the --long option). If it is not set, the terminal width will be calculated using the value of $COLUMNS, and ioctl(2) if available, or falling back to 80 characters if all else fails. /usr/share/man/index.(bt|db|dir|pag) /var/cache/man/index.(bt|db|dir|pag) FHS /usr/share/man/.../whatis whatis apropos(1), man(1), mandb(8) Wilf. (G.Wilford@ee.surrey.ac.uk). Fabrizio Polacco (fpolacco@debian.org). Colin Watson (cjwatson@debian.org). https://gitlab.com/man-db/man-db/-/issues https://savannah.nongnu.org/bugs/?group=man-db 2.12.1 2024-04-05 WHATIS(1)