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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.

  3. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  4. 2025 ASUN men's basketball tournament - Wikipedia

    en.wikipedia.org/wiki/2025_ASUN_men's_basketball...

    The tournament is being held March 29 at campus sites of the higher seeds. If eligible, the winner will receive the conference's automatic bid to the 2025 NCAA Tournament . If Queens wins the tournament, the automatic bid will instead be given to the ASUN regular-season co-champion, Lipscomb or North Alabama, that advances furthest in the ...

  5. Point groups in four dimensions - Wikipedia

    en.wikipedia.org/wiki/Point_groups_in_four...

    Download as PDF; Printable version; In other projects Wikidata item; ... ±1/2[D 8 ×D 10] D 4 ×D 5 [4,2,5] = [4]×[5] 80 [2 +,2,5 +]-2: 2: 5: 2A 2: ±1/2[D 6 ×D 6 ...

  6. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008.

  7. PDFtk - Wikipedia

    en.wikipedia.org/wiki/Pdftk

    PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [3] [4] It runs on Linux, Windows and macOS. [5] It comes in three versions: PDFtk Server (open-source command-line tool), PDFtk Free and PDFtk Pro (proprietary paid). [2] It is able to concatenate, shuffle, split and rotate PDF files.

  8. Adobe Acrobat - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat

    Adobe Acrobat is a family of application software and web services developed by Adobe Inc. to view, create, manipulate, print and manage Portable Document Format (PDF) files. [ 16 ] The family comprises Acrobat Reader (formerly Reader), Acrobat (formerly Exchange) and Acrobat.com .

  9. PDF Split and Merge - Wikipedia

    en.wikipedia.org/wiki/PDF_Split_and_Merge

    Split PDF files in a number of ways: After every page, even pages or odd pages; After a given set of page numbers; Every n pages; By bookmark level; By size, where the generated files will roughly have the specified size; Rotate PDF files where multiple files can be rotated, either every page or a selected set of pages (i.e. Mb).