From mboxrd@z Thu Jan  1 00:00:00 1970
From: jnc@mercury.lcs.mit.edu (Noel Chiappa)
Date: Sat, 19 Dec 2015 10:10:38 -0500 (EST)
Subject: [TUHS] ed.c on Unix v5
Message-ID: <20151219151038.77D7A18C0A3@mercury.lcs.mit.edu>

    > From: Random832

    > Non-existent syscalls map to nosys, which sets u_error to 100 ... which
    > causes the process to be sent a signal SIGSYS.

Oh, right, I'd forgotten that.

So, getting back to v6tar, I'll bet that if you try and use it to _read_ a TAR
file file under V6 (i.e. write files into the V6 filesystem), it will bomb out
(because of the call to utime).

     Noel