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WHEREIS


Section: User Commands (1)
Updated: 8 May 1994
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NAME

whereis – locate the binary, source, and manual page files for a command
 

SYNOPSIS

whereis

[-bmsu]

[-BMS

directory...

-f]

filename





 

DESCRIPTION

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.
 

OPTIONS


-b


Search only for binaries.
-m


Search only for manual sections.
-s


Search only for sources.
-u


Search 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.

-B


Change or otherwise limit the places where
whereis

searches for binaries.

-M


Change or otherwise limit the places where
whereis

searches for
manual sections.

-S


Change or otherwise limit the places where
whereis

searches for sources.

-f


Terminate 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.


 

EXAMPLE

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 *


 

FILES


/{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}



 

SEE ALSO

chdir(2V)

 

BUGS

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.
 

AVAILABILITY

The whereis command is part of the util-linux-ng package and is available from
ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.



 

Index



NAME

SYNOPSIS

DESCRIPTION

OPTIONS

EXAMPLE

FILES

SEE ALSO

BUGS

AVAILABILITY



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