Various UNIX systems are available from IBM itself, Microsoft-SCO, Bell, Berkley, and various UNIX clones such as MINIX (a multitasking UNIX clone). The different varieties of this venerable OS include single and multi user systems.

When trying to load binary images through a parallel port, as with the simple DOS command:>

COPY <filename> LPT1 /B

You might have the best luck with the following UNIX command:

 dd if=<sourcefile> of=/dev/lp1

'dd' is a handy utility to perform raw transfers without adding any extraneous characters.

Linux@

GNU'S NOT UNIX Conducted by David Betz and Jon Edwards Richard Stallman discusses his public-domain UNIX-compatible software system with BYTE editors (July 1986)

See also:

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