Re: Most used words in current buffer

[Eli Zaretskii]

> From: Nick Dokos <ndokos@gmail.com>
> Date: Thu, 19 Jul 2018 13:19:39 -0400
> 
> IIRC, Kernighan & Pike say in the "Unix Programming Environment" that
> there *was* a `head' program, in addition to the `tail' program. It
> fell into disuse and disappeared almost immediately after sed became
> available.

'head' is alive and well in GNU Coreutils.  E.g., on a garden-variety
GNU/Linux system:

  ~$ head --version
  head (GNU coreutils) 8.21
  Copyright (C) 2013 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.

  Written by David MacKenzie and Jim Meyering.