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