# look(1)

    NAME
         look - find lines in a sorted list

    SYNOPSIS
         look [-df] string [file]

    DESCRIPTION
         Look consults a sorted file and prints all lines that begin with  string.
         It  uses  binary  search.  The options -d and -f affect comparisons as in
         sort(1).  If no file is specified, /usr/lib/dict/words  is  assumed  with
         collating sequence -df.

    OPTIONS

         -d   Dictionary order: compare letters, digits and whitespace.

         -f   Fold. Upper case letters compare equal to lower case.

    FILES

         /usr/lib/dict/words      Sorted list of English words.

    SEE ALSO
         sort(1), spell(1).

    AUTHOR
         Kees J. Bot (kjb@cs.vu.nl)