#CONTENTS
CUPS Software Version Description
CUPS Software Version Description
CUPS-SVD-1.1
Easy Software Products
Copyright 1997-2005, All Rights Reserved
Table of Contents
#1
1 Scope
#1_1
1.1 Identification
#1_2
1.2 System Overview
#1_3
1.3 Document Overview
#2
2 References
#2_1
2.1 CUPS Documentation
#2_2
2.2 Other Documents
#3
3 Additions
#3_1
3.1 Filters
#3_1_1
3.1.1 imagetoraster, imagetops
#3_1_2
3.1.2 pdftops
#3_1_3
3.1.3 pstoraster
#3_1_4
3.1.4 rastertoepson
#3_2
3.2 User-Defined Printers and Options
#3_3
3.3 Daemons
#3_3_1
3.3.1 cups-lpd
#3_3_2
3.3.2 cups-polld
#3_4
3.4 Commands
#3_4_1
3.4.1 lpoptions
#3_4_2
3.4.2 lpmove
#3_4_3
3.4.3 lpinfo
#3_5
3.5 IPP Implementation
#4
4 Changes
#4_1
4.1 Directory Structure
#4_2
4.2 IPP Implementation
#5
A Glossary
#5_1
A.1 Terms
#5_2
A.2 Acronyms
1 Scope
1.1 Identification
This software version description document provides release information
for the Common UNIX Printing System ("CUPS") Version 1.1.
1.2 System Overview
CUPS provides a portable printing layer for UNIX®-based operating
systems. It has been developed by
http://www.easysw.com
Easy
Software Products
to promote a standard printing solution for all
UNIX vendors and users. CUPS provides the System V and Berkeley
command-line interfaces.
CUPS uses the Internet Printing Protocol ("IPP") as the basis for
managing print jobs and queues. The Line Printer Daemon ("LPD") Server
Message Block ("SMB"), and AppSocket (a.k.a. JetDirect) protocols are
also supported with reduced functionality. CUPS adds network printer
browsing and PostScript Printer Description ("PPD") based printing
options to support real-world printing under UNIX.
CUPS includes an image file RIP that supports printing of image files
to non-PostScript printers. A customized version of GNU Ghostscript
7.05 for CUPS called ESP Ghostscript is available separately to support
printing of PostScript files within the CUPS driver framework. Sample
drivers for Dymo, EPSON, HP, and OKIDATA printers are included that use
these filters.
Drivers for thousands of printers are provided with our ESP Print Pro
software, available at:
http://www.easysw.com/printpro/
http://www.easysw.com/printpro/
CUPS is licensed under the GNU General Public License and GNU Library
General Public License. Please contact Easy Software Products for
commercial support and "binary distribution" rights.
1.3 Document Overview
This software version description document is organized into the
following sections:
#1
1 - Scope
#2
2 - References
#3
3 - Additions
#4
4 - Changes
#5
A - Glossary
2 References
2.1 CUPS Documentation
The following CUPS documentation is referenced by this document:
CUPS-CMP-1.1: CUPS Configuration Management Plan
CUPS-IDD-1.1: CUPS System Interface Design Description
CUPS-IPP-1.1: CUPS Implementation of IPP
CUPS-SAM-1.1.x: CUPS Software Administrators Manual
CUPS-SDD-1.1: CUPS Software Design Description
CUPS-SPM-1.1.x: CUPS Software Programming Manual
CUPS-SSR-1.1: CUPS Software Security Report
CUPS-STP-1.1: CUPS Software Test Plan
CUPS-SUM-1.1.x: CUPS Software Users Manual
CUPS-SVD-1.1: CUPS Software Version Description
2.2 Other Documents
The following non-CUPS documents are referenced by this document:
http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf
Adobe PostScript Printer Description File Format Specification, Version
4.3.
http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf
Adobe PostScript Language Reference, Third Edition.
IPP/1.1: Implementers Guide
http://www.ietf.org/rfc/rfc1179.txt
RFC 1179, Line Printer
Daemon Protocol
http://www.ietf.org/rfc/rfc2396.txt
RFC 2396, Uniform
Resource Identifiers (URI): Generic Syntax
http://www.ietf.org/rfc/rfc2567.txt
RFC 2567, Design Goals
for an Internet Printing Protocol
http://www.ietf.org/rfc/rfc2568.txt
RFC 2568, Rationale
for the Structure of the Model and Protocol for the Internet Printing
Protocol
http://www.ietf.org/rfc/rfc2569.txt
RFC 2569, Mapping
between LPD and IPP Protocols
http://www.ietf.org/rfc/rfc2616.txt
RFC 2616, Hypertext
Transfer Protocol -- HTTP/1.1
http://www.ietf.org/rfc/rfc2617.txt
RFC 2617, HTTP
Authentication: Basic and Digest Access
Authentication
http://www.ietf.org/rfc/rfc2910.txt
RFC 2910, IPP/1.1:
Encoding and Transport
http://www.ietf.org/rfc/rfc2911.txt
RFC 2911, IPP/1.1:
Model and Semantics
http://www.ietf.org/rfc/rfc3380.txt
RFC 3380, IPP: Job and
Printer Set Operations
3 Additions
CUPS 1.1 includes many new features from the 1.0.x releases.
3.1 Filters
3.1.1
imagetoraster
,
imagetops
The image file filters have been upgraded to support conversion of
Microsoft Bitmap ("BMP") and Alias PIX files.
3.1.2 pdftops
A new pdftops filter has been developed that is based on the
excellent Xpdf 0.90 software from Derek B. Noonburg. The new filter is
faster, smaller, and considerably more reliable than the
Ghostscript-based filter in CUPS 1.0.
3.1.3 pstoraster
The
pstoraster
filter has been integrated with GNU
GhostScript 5.50. The new RIP supports most Level 3 PostScript language
features.
3.1.4 rastertoepson
The new
rastertoepson
filter supports EPSON printers
using the ESC/P or ESC/P2 command sets. PPDs are supplied for 9-pin,
24-pin, Stylus Color, and Stylus Photo printers.
3.2 User-Defined Printers and Options
The new
lpoptions
command allows users to configure
default document options and create additional "instances" of existing
printers, each with unique options.
The
lp
,
lpr
, and
lpstat
commands have been upgraded to use this option and printer instance
information automatically.
3.3 Daemons
CUPS 1.1 includes two new daemons that provide enhanced network
printing support.
3.3.1 cups-lpd
The
cups-lpd
daemon provides support for clients using
the Line Printer Daemon protocol.
3.3.2 cups-polld
The
cups-polld
daemon provides remote polling services
for the scheduler.
3.4 Commands
CUPS 1.1 includes several new printing commands.
3.4.1 lpoptions
The
lpoptions
command provides user-defined printers and
options.
3.4.2 lpmove
The
lpmove
command moves a print job to a new
destination.
3.4.3 lpinfo
The
lpinfo
command lists the available PPD files or
devices.
3.5 IPP Implementation
CUPS 1.1 adds support for the
set-job-attributes
extension operation as well as two new CUPS-specific extension
operations to determine which devices and printer drivers are available
on the system.
Further information on the CUPS implementation of IPP can be found in
CUPS-IPP-1.1.
4 Changes
CUPS 1.1 includes many changes from the 1.0.x releases.
4.1 Directory Structure
The directory structure in CUPS 1.1 has been modified to conform to
the Filesystem Hierarchy Standard, 2.0. The following table describes
the new file locations.
Table 1: Directory structure changes
from CUPS 1.0.x to 1.1.x.
Description
CUPS 1.0.x
CUPS 1.1.x
Backends
/var/cups/backend
/usr/lib/cups/backend
CGI programs
/var/cups/cgi-bin
/usr/lib/cups/cgi-bin
Configuration files
/var/cups/conf
/etc/cups
Documentation
/usr/share/cups/doc
/usr/share/doc/cups
Filter programs
/var/cups/filter
/usr/lib/cups/filter
Interface scripts
/var/cups/interfaces
/etc/cups/interfaces
Locale data
/usr/lib/locale
/usr/share/locale
Log files
/var/cups/logs
/var/log/cups
PPD files
/var/cups/ppd
/etc/cups/ppd
Request files
/var/cups/requests
/var/spool/cups
4.2 IPP Implementation
CUPS 1.1 is based on version 1.1 of the Internet Printing Protocol.
The new scheduler supports the
create-job
and
send-document
operations. In addition, the
job-sheets
,
job-sheets-default
, and
job-sheets-supported
attributes are now supported for banner pages.
The
CUPS-get-printers
and
CUPS-get-classes
operations have been upgraded to support limited filtering based upon
the
printer-type
,
printer-location
,
printer-info
, and
printer-make-and-model
attributes.
The
CUPS-add-printer
operation now supports the
ppd-name
attribute to specify a locally-available PPD file rather
than sending the PPD file from the client with the request.
Further information on the CUPS implementation of IPP can be found in
CUPS-IPP-1.1.
A Glossary
A.1 Terms
C
A computer language.
parallel
Sending or receiving data more than 1 bit at a time.
pipe
A one-way communications channel between two programs.
serial
Sending or receiving data 1 bit at a time.
socket
A two-way network communications channel.
A.2 Acronyms
ASCII
American Standard Code for Information Interchange
CUPS
Common UNIX Printing System
ESC/P
EPSON Standard Code for Printers
FTP
File Transfer Protocol
HP-GL
Hewlett-Packard Graphics Language
HP-PCL
Hewlett-Packard Page Control Language
HP-PJL
Hewlett-Packard Printer Job Language
IETF
Internet Engineering Task Force
IPP
Internet Printing Protocol
ISO
International Standards Organization
LPD
Line Printer Daemon
MIME
Multimedia Internet Mail Exchange
PPD
PostScript Printer Description
SMB
Server Message Block
TFTP
Trivial File Transfer Protocol
