| Extention | Type | Application | OS |
| a | Library archive file | ar t file.a | UNIX |
| aiff | audio file(Apple, SGI) | application | ALL |
| au | audio file(mu law) | application | ALL |
| avi | Movie file | application | DOS |
| bat | Batch file | autoexec | DOS |
| bz2 | compression file | tar jxf file.tar.bz2 bunzip2 -c file.bz2 > newfile | UNIX |
| c | C source | cc file.c | ALL |
| class | Java class file | javac file.java | ALL |
| cpp | C++ souece file | CC file.c | ALL |
| dvi | TeX device independent | jlatex file.tex | ALL |
| gif | GIF Image file(CompuServe) | xv file.gif | ALL |
| gz | compression file | gunzip file.tar.gz | UNIX |
| gz2 | compression file | bzip2 -d file.tar.gz2 | UNIX |
| h | Header file | /usr/include | ALL |
| html | Hyper Text Markup Language | Browser | All |
| htm | Hyper Text Markup Language | Browser | DOS |
| java | Java language source | javac file.java | ALL |
| jpg | JPG Image file | xv file.jpg | ALL |
| lzh | compression file | lha x file.lzh | UNIX |
| mid | MIDI file | application | DOS |
| mov | Movie file(Quick Time) | application | DOS |
| mpg | Movie file | application | DOS |
| o | Object file | cc -c file.c | UNIX |
| obj | Object file | cc -c file.c | DOS |
| ps | Postscript file | ghostview file.ps | ALL |
| rtf | Rich Text Format | Tools | ALL |
| tar | Tape ARchive file | tar xvf file.tar | UNIX |
| tex | TeX souece | jlatex file.tex | ALL |
| tgz | Tape archive & GZip file | tar xfz file.tgz cat file.tgz | gzip -d | tar xf - | UNIX |
| txt | Plain text | cat file.txt | ALL |
| wav | audio file(MS format) | application | DOS |
| wrl | Virtual Riality Modeling Language(VRML) | Browser | All |
| xdw | Fujixerox Docuworks | Windows | |
| xls | MS Excel file | Windows | |
| Z | compression file | uncompress file.Z | UNIX |
| zip | compression file | unzip file.zip | UNIX |
| TYPE | Supports | Comments | Header | Endian |
| RIFF, .WAV | MICROSOFTS, IBM | Windows95 | Yes | Little |
| .AU, .SND | SUN, NEXT | Java | Yes | Big |
| AIFF | APPLE, SGI | MAC, IRIX | Yes | Big |
| RAW | World wide | original | No | Little/Big |
| Video Format/ビデオフォーマット | VR Format/VRフォーマット | |
| 1 | 市販のDVDビデオと同じ記録方式 再生に汎用性あり |
DVDビデオレコーダーで記録するのに特化したフォーマット さまざまな編集機能あり |
| 1 | DVD-R/-RWディスクに記録 | DVD-R/-RWディスクに記録 |
| 1 | 2000年にDVDフォーラムで承認 | コピーライトワンス |
| Little Endian | PC(Windows), PC UINIX | 8086(Intel format), Alpha Chip | LSByte 0 1 2 3 MSByte |
| Big Endian | WS, PC(Macintosh) | 6800,68000(Motorola format) | LSByte 3 2 1 0 MSByte |
| type | Binaries | Decimals | Little Endian | Big Endian |
| long integer (4 bytes) | 00000000:00000000:00000000:00000000 | 0 | 00:00:00:00 | 00:00:00:00 |
| 00000000:00000000:00000000:00000001 | 1 | 01:00:00:00 | 00:00:00:01 | |
| 00000000:00000000:00000000:00010000 | 16 | 10:00:00:00 | 00:00:00:10 | |
| 00000000:00000000:00000001:00000000 | 256 | 00:01:00:00 | 00:00:01:00 | |
| 00000000:00000000:01111111:11111111 | 32767 | FF:7F:00:00 | 00:00:7F:FF | |
| 00000000:00000000:10000000:00000000 | 32768 | 00:80:00:00 | 00:00:80:00 | |
| 11111111:11111111:11111111:11111111 | -1 | FF:FF:FF:FF | FF:FF:FF:FF | |
| short integer (2 bytes) | 00000000:00000000 | 0 | 00:00 | 00:00 |
| 00000000:00000001 | 1 | 01:00 | 00:01 | |
| 00000000:00010000 | 16 | 10:00 | 00:10 | |
| 00000001:00000000 | 256 | 00:01 | 01:00 | |
| 01111111:11111111 | 32767 | FF:7F | 7F:FF | |
| 11111111:11111111 | -1 | FF:FF | FF:FF |