Glossary
offset printing A
online Devices under the direct control of a central processing unit, e.g., a printing system in interactive communication with a mainframe. Refer to offline.
operating system Basic host- controlling program that governs the operations of a computer, such as job entry, input/output, and data management. The operating system is always running when the computer is active. Unlike other types of programs, it does not run to an end point and stop.
option A portion of the command line that modifies the command.
orientation 1. In reference to image area, orientation describes whether the printed lines are parallel to the long edge of the paper or the short edge of the paper.
2.Choice of printing portrait (vertically) or landscape (horizontally).
page orientation Direction in which data is printed on a report. Refer to landscape page orientation and portrait page orientation.
pagination Process of separating text into pages.
pathname An identifier for the position of a file or directory within the file system.
PC Personal Computer. Family of computers that most commonly run a version of DOS.
Page Description Page description language used to describe the printing of jobs Language (PDL) to a laser printing system. PDL describes the input (type, format,
characteristics), performs the processing functions (logical processing), and describes the output (type, format, font selection, accounting options) of a print job. Examples are PostScript or PCL.
PDF Portable Document Format. A document format for distributing
documents for viewing and printing on a wide variety of platforms. Often used with Adobe Reader or Adobe Acrobat.
pel Equivalent of dots per inch.
peripheral Device used with a computer or workstation, usually for input or output. Printers, modems, and the cartridge tape drives are examples of peripherals.
physical page Sheet of paper on which printing is done.
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