Linux in a Nutshell, Fifth Edition

whereis | 509

Linux

Commands

This is the Title of the Book, eMatter Edition

Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.

-w seconds, --wait=seconds

Specify the wait in seconds between retrievals. Used to lighten

server load. Use the suffix m to specify the wait in minutes, h

for hours, or d for days.

--waitretry=seconds

Specify the number of seconds to wait between retries if the

download fails. The default in the global configuration file is

to not wait.

-x, --force-directories

Create a hierarchy of directories even if one wouldn’t other-

wise be created.

-X list, --exclude-directories=list

Specify a comma-separated list of directories to exclude from

download. List elements may contain wildcards.

-Y on|off, --proxy=on|off

Turn proxy support on or off (default is on).

whatis

whatis keywords

Search the short manual page descriptions in the whatis database

for each keyword and print a one-line description to standard

output for each match. Like apropos, except that it searches only

for complete words. Equivalent to man -f.

whereis

whereis [options] files

Locate the binary, source, and manual page files for specified

commands/files. The supplied filenames are first stripped of

leading pathname components and any (single) trailing extension

of the form .ext (for example, .c). Prefixes of s. resulting from use

of source code control are also dealt with. whereis then attempts

to locate the desired ...