From mboxrd@z Thu Jan  1 00:00:00 1970
From: doug@cs.dartmouth.edu (Doug McIlroy)
Date: Tue, 21 Feb 2017 15:25:43 -0500
Subject: [TUHS] Re;  Mach for i486 / Mt Xinu or other
Message-ID: <201702212025.v1LKPhRp021592@coolidge.cs.Dartmouth.EDU>

> 2)      **Most** Operating systems do not support /dev/* based access to SCSI.
>         This includes a POSIX certified system like Mac OS X.
> 
> 3)      **Most** Operating systems do not even support a file descriptor based
>         interface to SCSI commands.
>         This includes a POSIX certified system like Mac OS X.

Had Ken thought that way, Unix's universal byte-addressable file format
would never have happened; this mailing list would not exist; and we
all might still be fluent in dialects of JCL. dd was sufficient glue
to bridge the gap between Unix and **Most** Operating Systems.
Meanwhile everyday use of Unix was freed from the majority's folly.

Doug