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The lp command handled queue documents to be printed [3] and had over 20 different options that controlled the appearance of the document and its place in the queue, [4] and even handled email notification of the user once the document had finished printing. [2] The command returned a "job id" which could be used by the cancel or lpstat ...
The Internet Printing Protocol (IPP) is a specialized communication protocol used between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers). The protocol allows clients to submit one or more print jobs to the network-attached printer or print server, and perform tasks such as querying the status of a ...
The print command allowed specifying one of many possible local printer interfaces, [23] and could make use of networked printers using the net command. [24] A maximum number of files and a maximum buffer size could be specified, and further command-line options allowed adding and removing files from the queue. [23]
The developers were Tom Simpson and Bob Crabtree. HASP was a program that ran on a mainframe, and performed functions such as: scheduling, control of job flow, spooling and printing/punching. HASP had no support for IBM System/360 Operating System Remote Job Entry, 360S-RC-536, but provided roughly equivalent facilities of its own.
a Print Dialog box, which allows printer properties to be modified; a Print Manager, which allows management of printers, such as adding and removing printers, through an Add Printer Wizard; a Job Viewer/Manager, which manages printer jobs, such as hold/release, cancel and move to another printer; a CUPS configuration module (integrated into KDE)
Note that the LPD queue name is case sensitive. Some modern implementations of LPD on network printers might ignore the case or queue name altogether and send all jobs to the same printer. Others have the option to automatically create a new queue when a print job with a new queue name is received. This helps to simplify the setup of the LPD ...
Nowadays, the most common use of spooling is printing: documents formatted for printing are stored in a queue at the speed of the computer, then retrieved and printed at the speed of the printer. Multiple processes can write documents to the spool without waiting, and can then perform other tasks, while the "spooler" process operates the printer.
DA: "Display Active users/jobs" or running processes. I: Input Queue - shows jobs waiting execution. H: Jobs on HOLD - either waiting to be released into Input or Output or actual copies of job JCL (Job Control Language) or previously executed jobs. ST: Displays current status of all jobs. Job list can be filtered using the PRE primary command.