whereis \- locate source, binary, and or manual for program
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'', e.g. ``.c''.
Prefixes of ``s.'' resulting from use of source code control are also
then attempts to locate the desired program in a list of standard places.
searches only for binaries, sources or manual sections respectively
flag may be used to search for unusual entries.
A file is said to be unusual if it does not have one entry of
Thus ``whereis -m -u *'' asks for those files in the current
directory which have no documentation.
flags may be used to change or otherwise limit the places where
file flags is used to terminate the last such directory list
and signal the start of file names.
The following finds all the files in /usr/bin which are not documented
in /usr/man/man1 with source in /usr/src/cmd:
whereis \-u \-M /usr/man/man1 \-S /usr/src/cmd \-f *
/lib, /etc, /usr/{lib,bin,ucb,old,new,local}
to run faster, pathnames given with the
must be full; i.e. they must begin with a ``/''.