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  2. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    ARC – Nintendo U8 Archive (mostly Yaz0 compressed) ARJ – ARJ compressed file. ASS, SSA – ASS (also SSA): a subtitles file created by Aegisub, a video typesetting application (also a Halo game engine file) B – (B file) Similar to .a, but less compressed. BA – BA: Scifer Archive (.ba), Scifer External Archive Type.

  3. File format - Wikipedia

    en.wikipedia.org/wiki/File_format

    File format. wav-file: 2.1 megabytes. ogg-file: 154 kilobytes. A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free .

  4. Computer file - Wikipedia

    en.wikipedia.org/wiki/Computer_file

    Computer file. In computing, a computer file is a resource for recording data on a computer storage device, primarily identified by its filename. Just as words can be written on paper, so too can data be written to a computer file. Files can be shared with and transferred between computers and mobile devices via removable media, networks, or ...

  5. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23] A COS tree file consists primarily of objects, of which there are nine types: [16] Boolean values, representing true or false; Real numbers ...

  6. Audio file format - Wikipedia

    en.wikipedia.org/wiki/Audio_file_format

    Audio file format. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression. The data can be a raw bitstream in an audio coding ...

  7. File types - Wikipedia

    en.wikipedia.org/wiki/File_types

    File format. For information relating to specific operating systems, see also: Apple file types. Macintosh OSTypes. Uniform type identifier. Unix file types. Windows file types. For a list of filename extensions, see. list of file formats.

  8. Unix file types - Wikipedia

    en.wikipedia.org/wiki/Unix_file_types

    The seven standard Unix file types are regular, directory, symbolic link, FIFO special, block special, character special, and socket as defined by POSIX. [ 1] Different OS-specific implementations allow more types than what POSIX requires (e.g. Solaris doors ). A file's type can be identified by the ls -l command, which displays the type in the ...

  9. Video file format - Wikipedia

    en.wikipedia.org/wiki/Video_file_format

    Video file format. A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska format) containing visual (video without audio) data in a video coding format (e.g ...