whereis

whereis is a Unix command used to locate some special files of a Unix command like the binary, source and manual page files. Unix type is usually preferred to locate a binary file, because it is POSIX and it can identify shell aliases.

Here is an example usage from the man page:

 # Find all files in /usr/bin which are not documented in /usr/man/man1 with source in /usr/src:
 % cd /usr/bin
 % whereis -u -M /usr/man/man1 -S /usr/src -f *

External links

man page of whereis command

Unix command-line interface programs and shell builtins

File system	cat chmod chown chgrp cksum cmp cp dd du df file fsck fuser ln ls mkdir mount mv pax pwd rm rmdir size split tee touch type umask

Processes	at bg chroot cron fg kill killall nice pgrep pkill ps pstree time top

User environment	clear env exit finger history id logname mesg passwd su sudo uptime talk tput uname w wall who whoami write

Text processing	awk banner basename comm csplit cut diff dirname ed ex fmt fold head iconv join less more nl paste printf sed sort spell strings tail tr uniq vi wc xargs yes

Shell builtins	alias cd echo test unset wait

Networking	dig host ifconfig inetd netcat netstat nslookup ping rdate rlogin route ssh traceroute

Searching	find grep locate whatis whereis

Documentation	apropos help man

Miscellaneous	bc dc cal expr lp od sleep true and false

List of Unix utilities

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whereis

External links

See also