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This article is about what pdf refers to. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Pdf, which means "portable document format" in Chinese, is a file format developed by Adobe Systems for file exchange independent of application, operating system and hardware. It is an electronic file format.

PDF (Portable Document Format for short, meaning "portable document format") is a file format developed by Adobe Systems for file exchange in a way independent of application, operating system and hardware. PDF file is based on PostScript language image model, no matter which kind of printer can guarantee accurate color and accurate printing effect, that is, PDF will faithfully reproduce every character, color and image of the original.

Portable document format is an electronic file format. This file format is independent of the operating system platform, that is, PDF files are common in both Windows,Unix and Apple's Mac OS operating system. This feature makes it an ideal document format for electronic document distribution and digital information dissemination on Internet. More and more e-books, product descriptions, company announcements, web materials, and e-mails are starting to use PDF files.

The purpose of Adobe's design of PDF file format is to support the publication and distribution of multimedia integrated information across platforms, especially to provide support for network information release. To achieve this, PDF has many advantages over other electronic document formats. PDF file format can encapsulate text, font, format, color and graphics and images independent of device and resolution in one file. The format file can also contain hypertext links, sound, moving images and other electronic information, support long files, high integration and security and reliability.

For ordinary readers, e-books made with PDF have the texture and reading effect of paper books, which can realistically show the original appearance of the original book, while the display size can be adjusted arbitrarily, providing readers with a personalized way of reading.

PDF files use industry-standard compression algorithms, which are usually smaller than PostScript files and are easy to transfer and store. It is also page independent, and a PDF file contains one or more "pages" that can be processed separately, which is especially suitable for multiprocessor systems. In addition, an PDF file contains the PDF format version used in the file, as well as location information for some important structures in the file. It is precisely because of the various advantages of PDF files that it has gradually become a new favorite in the publishing industry.

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