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I was looking for a specific file using whereis from the command line.

I got a rather useless result, but I then found the exact file I was looking for by manually searching.

I did not make a mistake in the command line. Why didn't whereis turn up all my files? Is there another method?

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  • 1
    find / | grep filename
    – RobotHumans
    Dec 28, 2012 at 4:11
  • fair point, but updatedb takes time
    – RobotHumans
    Dec 28, 2012 at 23:58
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    Er, I'm pretty sure he meant that normally you'd type that as "find -name 'filename'"
    – Erhannis
    Jan 16, 2013 at 2:46
  • Is there another method? - Yes! which - if you know your file some where in $PATH
    – leanid.chaika
    Jul 2, 2015 at 20:11

2 Answers 2

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whereis doesn't locate files, because whereis command is not intended to be used for that.

From whereis manpage

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

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.

For more information type man whereis in your terminal to refer the man page. For finding a file you have to use commands like grep, find, locate, etc...

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  • @Web-E, Thanks for adding that link.
    – saji89
    Dec 28, 2012 at 4:34
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What you're probably looking for is locate.

The locate man page: http://manpages.ubuntu.com/manpages/precise/en/man1/locate.findutils.1.html

Ubuntu's Community Help Wiki has an entry for finding files. Check it out here:

https://help.ubuntu.com/community/FindingFiles

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  • +1 for understanding what he was really asking. :)
    – don.joey
    Dec 28, 2012 at 9:51

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