From mboxrd@z Thu Jan  1 00:00:00 1970
From: doug@cs.dartmouth.edu (Doug McIlroy)
Date: Thu, 09 Nov 2017 08:33:57 -0500
Subject: [TUHS] pre-more pager?
Message-ID: <201711091333.vA9DXvUc031611@coolidge.cs.Dartmouth.EDU>

>> head -20 < filename

> 
> too bad head doesn't exist on v7.

sed -20q:   same effect, same amount of typing.