From mboxrd@z Thu Jan  1 00:00:00 1970
From: jnc@mercury.lcs.mit.edu (Noel Chiappa)
Date: Thu, 11 May 2017 13:08:03 -0400 (EDT)
Subject: [TUHS] The evolution of Unix facilities and architecture
Message-ID: <20170511170803.1F46518C09A@mercury.lcs.mit.edu>

    > From: Warner Losh

    > There's a dcheck.c in the TUHS v7 sources. How's that related?

That was one of the earlier tools - not sure how far back it goes, but it's in
V6, but not V5. It consistency checks the directory tree. Another tool, 'icheck',
consistency checks file blocks and the free list.

	Noel