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1995-07-15
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PPRD Version 1.00, a LPD and Direct server for DOS
PPRD is a small program that turns an XT or AT running DOS into a
dedicated LPD printer server. You can send jobs to the printers from
any machine running LPR. It can handle up to 3 parallel printer
ports. Serial printers can be handled by running diverting LPTn to
COMn and running the interrupt I/O driver TSRCOMM, which is in
LPTCOM.ZIP.
Even a small XT with only a floppy will do. (You can also run it on a
3/486 but why would you want to waste a machine like that?) If the
system is to run unattended you might even omit the keyboard and
monitor.
For installation instructions see pprd.prn.
List of files:
COPYING GNU Copyleft conditions
LOG Change log
README This file
pprd.man Documentation in nroff format
pprd.prn Printed version of above
jd.man Documentation in nroff format
jd.prn Printed version of above
lptcom.zip TSRs for interrupt driven serial I/O using XON/XOFF
makefile For building pprd.exe and jd.exe
pprd.exe Executable
pprd.c Source
pprd.h Source
tcp.h Source, copy of one in WATTCP source distribution
wattcp.cfg Configuration file, edit before using PPRD
wattcpsm.lib Object library used when linking PPRD
banner.pl Install as ofilter in Berkeley LPD system
lpr.pl Install as ifilter in Berkeley LPD system
jd.pl Alternative ifilter for Direct protocol
jd.exe Send file or standard input using Direct protocol
jd.c Source
jdlprd.pl Run on Unix to provide jd to lpr gateway.
Resources:
Here are some FTP sites for auxiliary and related software. The sites
named here are the normal ones and it's best to ask archie for the
nearest archive to you.
Packet drivers
oak.oakland.edu:pub/msdos/pktdrvr/
Current version of the packet drivers is 11.
WATTCP library sources
dorm.rutgers.edu:pub/msdos/wattcp/
A lpr client for DOS is one of the sample applications.
NCSA telnet
zaphod.ncsa.uiuc.edu:PC/Telnet/msdos/
Includes a lpr/lpq/lprm clients for DOS.
WinLPR
sunsite.unc.edu:pub/micro/pc-stuff/ms-windows/winsock/apps/winlpr10.zip
WinLPR is a lpr client for MS-Windows. Shareware.
comp.protocols.tcp-ip.ibmpc FAQ
ftp.netcom.com:pub/mailcom/IBMTCP/ibmtcp.zip
Answers a lot of questions about TCP-IP on PCs.
RFC1179
Line Printer Daemon Protocol
Background:
PPRD was inspired by PRINTNET by Koen De Bosschere. That program is
small and fast. Unfortunately PRINTNET uses its own protocol and not
the LPD protocol. I am aware of LPD for DOS, in two versions, by David
Johnson, formerly at the U of Mississippi. However those servers
require a local disk to spool the files. This may impose a limit on the
size of files printed, a drawback in these days of huge jobs. Also the
later version is built on NOS from KA9Q, which is shareware for
non-personal use, whereas PPRD is free. PPRD does not do local
spooling, relying instead on the sending client. For this one loses
the ability to run filters on the server (see installation notes on how
filters can be run on the client), and delete jobs. Error recovery is
easier in the absence of local spooling. And best of all, PPRD is
simple and small.
Acknowledgements:
PPRD uses the excellent WATTCP package by Erick Engelke of the U of
Waterloo. I stole the skeleton of PPRD from COMD. Russ Nelson of Crynwr
Software has put a lot of work into packet drivers for many NICs.
PPRD is copylefted. The software is provided as-is and there is NO
SUPPORT. I will however endeavour to help if you can describe your
problem in sufficient detail. Please remember that I have only a
vanilla system and I cannot test exotic configurations.
If you find PPRD useful, send me a nice note by email telling me how
you use it. If you really like it, send me a postcard of your country.
Here are my contact addresses. Email is most preferred.
ken@syd.dit.csiro.au
Ken Yap
CSIRO Division of Information Technology
Locked Bag 17
North Ryde 2113
Australia
+61 2 3253100
Ken Yap
July 1995