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A filename extension, file name extension or file extension is a suffix to the name of a computer file (for example, .txt, .docx, .md). The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically delimited from the rest of the filename with a full stop (period), but in some systems[1] it is separated with spaces.
Some file systems implement filename extensions as a feature of the file system itself and may limit the length and format of the extension, while others treat filename extensions as part of the filename without special distinction.
^"What Is a File?" (PDF). z/VM 7.2 CMS Primer(PDF). IBM. 2021-12-05. p. 7. SC24-6265-01. One thing you need to know about creating files with z/VM is that each file needs its own three-part identifier. The first part of the identifier is the file name. The second part is the file type. And the third part is the file mode. These three file identifiers are often abbreviated fn ft fm.
and 19 Related for: Filename extension information
filenameextension, file name extension or file extension is a suffix to the name of a computer file (for example, .txt, .docx, .md). The extension indicates...
filenameextensions include: List of filenameextensions (0–9) List of filenameextensions (A–E) List of filenameextensions (F–L) List of filename extensions...
different restrictions on filename lengths. A filename may (depending on the file system) include: name – base name of the file extension – may indicate the...
base filename of a world file matches the raster's base filename, but has a different filenameextension (suffix). There are three filenameextension naming...
container formats, it allows streaming over the Internet. The only filenameextension for MPEG-4 Part 14 files as defined by the specification is .mp4....
file formats are denoted either by a .doc or .docx filenameextension. Although the .doc extension has been used in many different versions of Word, it...
of community capacity by outsiders, for instance agricultural extensionFilenameextension, for computer file systems Extensive (disambiguation) This disambiguation...
Long filename (LFN) support is Microsoft's backward-compatible extension of the 8.3 filename (short filename) naming scheme used in DOS. Long filenames can...
"image/pjpeg" when uploading JPEG images. JPEG files usually have a filenameextension of "jpg" or "jpeg". JPEG/JFIF supports a maximum image size of 65...
three-character extension, known as an 8.3 filename. There are a limited number of three-letter extensions, which can cause a given extension to be used by...
similar, but more flexible, type of file called a shell script. The filenameextension .bat is used in DOS and Windows. Windows NT and OS/2 also added .cmd...
The .mhtml (Web archive) and .eml (email) filenameextensions are interchangeable: either filenameextension can be changed from one to the other. An ...
There is no standard filenameextension for a text file containing FASTA formatted sequences. The table below shows each extension and its respective meaning...
Interleave (also Audio Video Interleaved and known by its initials and filenameextension AVI, usually pronounced /ˌeɪ.viːˈaɪ/) is a proprietary multimedia...
Format originally had the filenameextension .azw; version 8 (KF8) introduced HTML5 & CSS3 features and have the .azw3 extension, and version 10 introduced...
the extension in these cases. Similarly, since many file systems do not store MIME type information, but instead rely on the filenameextension, a mime...
languages include code to generate and parse JSON-format data. JSON filenames use the extension .json. Douglas Crockford originally specified the JSON format...
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