1301: File Extensions - Revision history

CalibansCreations: /* Explanation */

2024-11-21T12:16:53Z

‎Explanation

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2024-10-14T12:08:01Z

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2022-05-26T19:58:16Z

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Xray Kilo Charlie Delta: haha your js cant stop my js

2022-05-23T18:20:37Z

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 *{{w|.tex}} files are source files for the programs {{w|TeX}} and {{w|LaTeX}}, which are used often and almost exclusively by academics, especially in mathematics and the hard sciences. .tex pretty much means serious business, and Randall does not anticipate that anyone would use such a format other than for reliable information.
-*{{w|.pdf}} files are a '''p'''ortable (as in over the web) '''d'''ocument '''f'''ormat by Adobe, frequently used for publication. Companies use them for official documentation. Thus, a .pdf file is likely to be some type of final product or polished work. Further, .tex files are generally compiled into .pdf files in order to make them readable. It would be strange to trust a .tex file without trusting the .pdf to which it compiles. For example, when submitting to academic journals in math and the hard sciences, the journal accepts the .tex file, but then compiles it and publishes the resulting .pdf. On the other hand, software which can produce a .doc/.xls(x), as described below, these days tends to have an inbuilt or addable ability to "Export to PDF", with the promise of slightly more read-onlyness and localisation-immunity than the .doc, so it might arise - in good faith or otherwise - from a less professional editor ''trying'' to look a little more serious about the copy they distribute in this document format.
+*{{w|.pdf}} files are a '''p'''ortable (as in over the web) '''d'''ocument '''f'''ormat by Adobe, frequently used for publication. Companies use them for official documentation. Thus, a .pdf file is likely to be some type of final product or polished work. Further, .tex files are generally compiled into .pdf files in order to make them readable. It would be strange to trust a .tex file without trusting the .pdf to which it compiles. For example, when submitting to academic journals in math and the hard sciences, the journal accepts the .tex file, but then compiles it and publishes the resulting .pdf. On the other hand, software which can produce a .doc/.xls(x), as described below, these days tends to have an inbuilt or addable ability to "Export to PDF", with the promise of slightly more read-onlyness and localisation-immunity than the .doc, so it might arise - in good faith or otherwise - from a less professional editor ''trying'' to look a little more serious about the copy they distribute in this document format. The reliability of .pdf files would later be referenced in [[2304: Preprint]].
 *{{w|.csv}} are '''c'''omma-'''s'''eparated '''v'''alues: tables of information delimited by commas, and often consist of computer-generated raw data (from, say, a scientific experiment or a database).
 *{{w|.txt}} files contain only plain text, no "rich text" or anything fancy. Programmers often use them for README files. The txt format indicates that the creator prioritizes recording the information over making the information visually appealing, although {{w|ASCII art}} images or multiline 'bannering' of text might be included by some authors.

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 ==Explanation==
-Computer file names often end in {{w|file extension}}s like ".ppt" or ".exe". These extensions are a holdover from early operating systems like {{W|DOS}} in which filenames had a maximum eight characters followed by a period and the three-character extension. The extension was used by the operating system to determine filetype so that the system would know how to handle the file (e.g. which program could open the file). Newer operating systems and file systems now accept longer-than eight-character filenames, and extensions of greater than three characters; although most extensions remain three characters.
+Computer file names often end in {{w|file extension}}s like ".ppt" or ".exe". These extensions indicate to the operating system what type of data a file contains, and which program should be used to open it. Traditionally, file extensions were limited to three characters. Most modern operating systems and file systems now accept file extensions with arbitrary lengths, although most extensions remain three characters.
-Most extensions are created as proprietary to certain pieces of software, although software by other developers may later be designed to be able to read the format. For example, .doc is a Microsoft Word document, although because of that software's popularity, many word processors include the ability to open .doc files. Some common file extensions are not proprietary to a piece of software and may be handled by various programs; .jpg or .gif images are examples. In either case, a file's extension is generally a good indicator of what type of data the file contains.
+File extensions are an indication of {{w|file format}}. Many file formats were created to be used with a specific program, although software by other developers may later be extended to be able to read the format. For example, .doc is a Microsoft Word document. However, because of that software's popularity, many other word processors also include the ability to open .doc files. Other file formats are designed as standards, and may be opened by various programs; .jpg or .gif images for example.
-Certain file types are more prevalent for certain uses, with some being almost exclusive to one use, while other are in general use and might contain almost anything. Here, [[Randall]] presents a series of file extensions which often contain information, and he is rating the reliability of the information they generally contain from most reliable to least.
+Certain file formats or types are very commonly used, like .doc, .jpg, and .zip. Others are more prevalent for very specific usecases. Here, [[Randall]] presents a list of file extensions, and rates the reliability of the information within from most to least reliable.
 *{{w|.tex}} files are source files for the programs {{w|TeX}} and {{w|LaTeX}}, which are used often and almost exclusively by academics, especially in mathematics and the hard sciences. .tex pretty much means serious business, and Randall does not anticipate that anyone would use such a format other than for reliable information.