4635 LPS SOFTWARE COMPONENTS
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.
·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 4635 LPS System Generation Guide.
The UI Software consists of two
Operating System Software functional description
The 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
Figure 4-1 illustrates the hierarchy of the major LPS processing tasks. Following the figure is an overview of each task.
Figure 4-1. Major LPS processing tasks
Operating System Executive (OSEXEC)
File Control Program (FCP)
Operator Communication Subsystem (OCS)
Utilities
Diagnostics
Editor
Font Editor
FDL Processor
PDL Processor
Input
Output DJD IPD RPT
Host Interface Processor (HIP)
XEROX 4635 LASER PRINTING SYSTEM PRODUCT REFERENCE |