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.pbm, .ppm, .pgm            The PBM tools  collection of Unix graphics programs support three
                                                 different file formats: Portable Bitmap, Portable Pixmap, and Portable
                                                 Graymap. They can be opened by Photoshop in addition to XV Image
                                                 Viewer, and they are most frequently used on Unix computers.
                     .cvs                        Canvas can open CVS files, which are vector graphic file types.
                     .cgm                        Both Canvas and  ClarisDraw  softwares can  open the vector  format
                                                 known as a Computer Graphics Metafile (CGM).
                     .wpg                        WPG files are WordPerfect graphics files that LView Pro software can
                                                 open.
                     .wmf                        Canvas can open WMF files, which are Windows MetaFiles.
                     .xpm, .xbm                  The X Window System uses small files called X PixMap or X Bitmap files.

                 Almost all drawing and painting software can read and write JPEG, GIF, and TIFF file formats, while different
                 file types are compatible with various applications.

                 Movie File Formats
                                                                                           WMV
                 Although there are many different media container
                 formats, the ones listed here are the ones you will
                 most frequently run into. While some solely support       FLV                             MOV
                 audio,  others  also support  both  audio  and  video.
                 MPEG-4  (MP4),  QuickTime  Movie  (MOV),  and  the
                 Wavefile Audio File (WAV) Format are the most widely
                 used media containers on the internet.
                                                                       AVI                                       MP4

                                File                                         Description
                     .avi                        Microsoft created the AVI file format, which is largely used in Windows.
                                                 AVIs are compressed movies that can be viewed in Windows systems
                                                 with Media Player and on Unix workstations with Xanim player.
                     .flc, .fli                  An FLC is a raw, uncompressed collection of frames from an Autodesk
                                                 Flick video. Despite having a larger file size than other formats, they
                                                 have better image quality. Media Player on Windows can be used to
                                                 play them.
                     .mov, .Moov, .qt            A file with any of these file extensions is an Apple Quicktime movie.
                                                 Simple Text, WordPerfect, and Microsoft Word are applications that can
                                                 display QuickTime video. On Unix workstations with Xanim Player and
                                                 on IBM-compatible personal computers with Media Player, flattened
                                                 QuickTime video snippets can be seen.
                     .mpg, .mpeg                 MPEG files use the MPEG-1 video compression procedure, a common
                                                 standard for developing and displaying time coded data created by
                                                 the  Motion  Picture  Experts Group.  MPEG  video clips can  be  seen
                                                 with MPEG_PLAY on Unix workstations and IBM-compatible personal
                                                 computers.





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