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whereis - Locates files for programs
whereis [-bms] [-u] [-BMS directory... -f] program...
The
whereis
command locates source, binary, and/or
reference page files for the specified program
program.
The -b, -m, and -s options can be used in combination to restrict the search. Searches for an executable program. Searches for the reference page for a program. Searches for the sources of a program.
Use the -B, -M, and -S options to change or limit the places whereis searches. Specifies the binary directories to search. Specifies the reference page directories to search. Specifies the source directories to search.
The other options that can be used with
whereis
are
as follows:
Terminates the last directory list and signals the start of
program names.
Used with other options to indicate when there is no file
for
program
in the default or specified directory
or directories (source, binary, or reference page).
The whereis program locates source, binary, and reference pages for the specified programs. When looking for a match, the program names are stripped of leading pathname components and any trailing extensions of the form .ext (for example, .c). Prefixes of s. resulting from the use of the Source Code Control System see sccs(1), are also handled.
The default directories searched by the
whereis
command
are as follows:
/etc
/etc/nls
/sbin
/usr/bin
/usr/lbin
/usr/lbin/spell
/usr/ccs/lib
/usr/lib
/usr/local
/usr/hosts
/usr/sbin
To find files matching
cat
in the default
source, binary, and reference directories, enter:
whereis cat
To search for reference pages for
app13
in the directory
/usr/local/man, enter:
whereis -M /usr/local/man -f -f appl3
To find the programs in
/usr/bin
that do not have reference pages in
/usr/share/man/man1
with source files in
/usr/src/cmd, enter:
whereis -u -M /usr/share/man/man1 \
-S /usr/src/cmd -f /usr/bin/*
To find which files in the current directory either have no
reference pages in the default reference directories or have more than one,
enter:
whereis -m -u *
Default binary directories.
Default binary directories.
Default reference directories.
Default source directories.
Commands: apropos(1), find(1), man(1), which(1), catman(8)