Search Result for "filename extension":
Wordnet 3.0

NOUN (1)

1. a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename;
- Example: "most applications provide extensions for the files they create"
- Example: "most BASIC files use the filename extension .BAS"
[syn: extension, filename extension, file name extension]


WordNet (r) 3.0 (2006):

filename extension n 1: a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS" [syn: extension, filename extension, file name extension]
The Free On-line Dictionary of Computing (30 December 2018):

filename extension file extension The portion of a filename, following the final point, which indicates the kind of data stored in the file - the file type. Many operating systems use filename extensions, e.g. Unix, VMS, MS-DOS, Microsoft Windows. They are usually from one to three letters (some sad old OSes support no more than three). Examples include "c" for C source code, "ps" for PostScript, "txt" for arbitrary text. NEXTSTEP and its descendants also use extensions on directories for a similar purpose. Apart from informing the user what type of content the file holds, filename extensions are typically used to decide which program to launch when a file is "run", e.g. by double-clicking it in a GUI file browser. They are also used by Unix's make to determine how to build one kind of file from another. Compare: MIME type. Tony Warr's comprehensive list (http://camalott.com/~rebma/filex.html). FAQS.org Graphics formats (http://faqs.org/faqs/graphics/fileformats-faq/). (2002-04-19)