whereis — locate the binary, source, and manual page files for a command
whereis [−bmsu] [ −BMS directory... −f ] filename...
whereis
locates source/binary and manuals sections for specified
files. The supplied names 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 program in a list of
standard Linux places.
−bSearch only for binaries.
−mSearch only for manual sections.
−sSearch only for sources.
−uSearch for unusual entries. A file is said to be unusual if it does not have one entry of each requested type. Thus `whereis −m −u *' asks for those files in the current directory which have no documentation.
−BChange or otherwise limit the places where whereis searches for binaries.
−MChange or otherwise limit the places where whereis searches for manual sections.
−SChange or otherwise limit the places where whereis searches for sources.
−fTerminate the last directory list and signals the
start of file names, and must be used when any of the
−B, −M, or −S options are used.
Find all files in /usr/bin
which are not documented in /usr/man/man1 with source in /usr/src:
example% cd /usr/bin example% whereis −u −M /usr/man/man1 −S /usr/src −f *
/{bin,sbin,etc}/usr/{lib,bin,old,new,local,games,include,etc,src,man,sbin,X386,TeX,g++-include}
/usr/local/{X386,TeX,X11,include,lib,man,etc,bin,games,emacs}Since whereis uses chdir(2V) to run faster,
pathnames given with the −M, −S, or −B must be full; that is, they must
begin with a `/'.
whereis has a hard-coded path, so may not always find what you're looking for.
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Copyright (c) 1980, 1990 The Regents of the University of California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by the University of California, Berkeley and its contributors. 4. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. (#)whereis.1 from UCB 4.2 |