PDF (Portable document format abbreviation, meaning "portable file formats") is made up of http://www.aliyun.com/zixun/aggregation/9084.html ">adobe Bae was used in 1993 as a document exchange for the presentation of the file format. Its advantage is cross-platform, can retain the original file format (Layout), open standards, free authorization (royalty-free) free to develop PDF compatible software.
PDFs have long been used as a format for exchanging and browsing business documents. However, Adobe retained the copyright of the format until February 2007, when industry pressure was forced to submit a standardized application to ISO. Today PDF (Mobile document format) has been approved by International Standards Organization (ISO) as international standards.
September 1, 2009, pdf/archive (PDF), as an electronic document in its long-term format, has become the official Chinese national standard by the approval of the National Standardization Management Committee of China.
The following is a comprehensive introduction to the PDF document reading and page modification tools in the Ubuntu system
Document Reading
Poppler Back-end Software Installation Poppler-data supports more languages.
Okular official website (http://okular.kde.org/) KDE Pdf/ps/chm/djvu file reading tools, back-end Poppler, recommended
Installation: apt://okular/
Evince official website (http://www.gnome.org/projects/evince/) Gnome under the Pdf/ps/djvu file reading tools, some cases Chinese garbled, highly recommended
Installation: apt://evince/
Xpdf official website (http://www.foolabs.com/xpdf/) xpdf is a compact PDF reader, the Chinese support is good, evince Foundation
Installation: apt://xpdf/
Adobereader official website (http://www.adobe.com/) PDF Reader, non-free software, best compatibility, recommended
Installation: apt://acroread/
Foxit Reader website (http://www.foxitsoftware.com/pdf/desklinux) PDF Reader, non-free software, Chinese compatibility good, recommended
Epdfview official website (http://trac.emma-soft.com/epdfview/) PDF Reader, back-end poppler, fast, XFCE recommended
Mupdf official website (http://mupdf.com/) A new lightweight PDF browsing tool, recommended
Installation: apt://mupdf/
Page modification
PDF Merge and split official website (http://www.pdfsam.org/) PDF document Paging tool
Installation: apt://pdfsam/
Pdfmod official website (http://live.gnome.org/PdfMod) PDF Document Modification tool
Installation: apt://pdfsam/