XEROX DOCUPRINT 180 LPS SOFTWARE COMPONENTS

Mini sysgen In a mini sysgen, an existing operating system is modified in a way that does not require new system file input or patching. For example, an existing feature is deactivated or reactivated, or a specification is changed that is independent of the operating system files.

Update sysgen In an update sysgen, an existing operating system is upgraded to include new features or is replaced with a new version of the system.

During this process, some or all of the existing system files on the system disks are replaced with new files; user files are not affected.

Full sysgen In a full sysgen, a new operating system is built on empty system disks; that is, new or used disks that have been cleared and formatted prior to sysgen.

Complete instructions for each of these sysgens are contained in the

Xerox DocuPrint 180 LPS System Generation Guide.

The UI Software consists of two 3.5-inch floppy diskettes (one supports the system UI Software, and one supports the UI Dialog). The Printer Software also consists of several 3.5-inch floppy diskettes. Refer to the “System software functional description” chapter for further information on the System UI Software, UI Dialog, and Printer Software.

Operating System Software functional description

The DocuPrint 180 LPS OSS, or system controller, runs both background and foreground processing. All Xerox LPS systems are run by basically the same software. The OSS is delivered for installation and sysgen on quarter-inch cartridge tapes. The major utilities or “tasks” run by the system controller are shown in their hierarchical relationships in the chart below.

Figure 4-1 illustrates the hierarchy of the major DocuPrint 180 LPS processing tasks. Following the figure is an overview of each task.

4-2

XEROX DOCUPRINT 180 LASER PRINTING SYSTEM PRODUCT GUIDE

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Xerox manual Operating System Software functional description, Xerox DocuPrint 180 LPS System Generation Guide