what is a file name
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file name file name - (computer science) the name given to a computer file in order to distinguish it from other files; may contain an extension that indicates the type of file. computer file name, computer filename, filename.
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File extension You are here: Dictionary F-Definitions. A file extension is the ending of a file that helps identify the type of file in operating systems such as Microsoft Windows.In Microsoft Windows, the file extension is a period that is often followed by three characters, but may also be one, two, or four characters long.he next file RtlExUpd.dll, which is a DLL file and another example of a file, and finally the last two files are log files. As can be seen in this example, by having file extensions you can quickly identify the type of file and have a better idea of how that file may be opened.
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Filename extension A filename extension is an identifier specified as a suffix to the name of a computer file. The extension indicates a characteristic of the file contents or its intended use. A file extension is typically delimited from the filename with a full stop (period). 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.
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hosts (file) The computer file hosts is an operating system file that maps hostnames to IP addresses. It is a plain text file. Originally, a file named HOSTS.TXT was manually maintained and made available via file sharing by Stanford Research Institute for the ARPANET membership, containing the hostnames and address of hosts as contributed for inclusion by member organizations.
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- Understanding Computer Files. • File Concepts. – A file is a collection of related data stored on a storage device. – Types. • Computer Files. – Text file (Notepad file) – Binary file (created by a user-written program) • Word document.
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Common Windows file extensions Common Windows file extensions. Windows file names have two parts; the file's name, then a period followed by the extension (suffix). The extension is a three- or four-letter abbreviation that signifies the file type. For example, in letter.docx the filename is letter and the extension is docx. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file. For example, the doc extension tells your computer that the file is a Microsoft Word file.
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Computer file In environments in which a file is named, a file's name and the path to the file's directory must uniquely identify it among all other files in the computer system—no two files can have the same name and path. Where a file is anonymous, named references to it will exist within a namespace.
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Common Windows file extensions Common Windows file extensions. Windows file names have two parts, the name, then a period and the extension (suffix). The extension is a three-or four-letter abbreviation that comes after the period. For example, in letter.doc the filename is letter and the extension is doc. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file. For example, the doc extension tells your computer that the file is a Microsoft Word file.
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- In PowerShell, files are file objects. Files have a Name property (a string) and a LastWriteTime property (a DateTime object). The PowerShell equivalent to the Listing1.cmd script in Figure 1 is the following: Get-ChildItem *.txt | Select-Object Name,LastWriteTime.
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Naming Files, Paths, and Namespaces Files and directories, along with namespaces, are part of the concept of a path, which is a string representation of where to get the data regardless if it's from a disk or a device or a network connection for a specific operation.
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suffix In computer system file names, a suffix is a convention for having one or more characters appended to a file name (usually separated from the file name with a dot) so that it can be distinguished from other files or grouped together with similar types of files. suffix is something added at the end of a word that conditions its usage or meaning.
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File Extension Search A file extension is the set of three or four characters at the end of a filename; in this case, .dat. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically.
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Naming Files, Paths, and Namespaces Typically, Windows stores long file names on disk as special directory entries, which can be disabled systemwide for performance reasons depending on the particular file system. When you create a long file name, Windows may also create a short 8.3 form of the name, called the 8.3 alias, and store it on disk also.
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- A filename extension is an identifier specified as a suffix to the name by syntax, often separated from the base filename (by, e.g., a dot, a space), that indicates, e.g., the encoding (file format), the usage, of a computer file. Examples of filename extensions are .png, .jpeg, .exe, .dmg, and .txt. Note that some systems might have multiple types of extension, e.g., in CMS CMS EXEC A1 has two extensions, the filetype EXEC and the filemode A1.
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File association A file association associates a file with an application capable of opening that file. More commonly, a file association associates a class of files (usually determined by their filename extension, such as .txt) with a corresponding application (such as a text editor).
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File Extension Search A file extension is the set of three or four characters at the end of a filename; in this case, .tst. File extensions tell you what type of file it is, and tell Windows what programs can open it.
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- 1 Use a period to separate the base file name from the extension in the name of a directory or file.  Use a backslash (\) to separate the components of a path. The backslash divides the file name from the path to it, and one directory name from another directory name in a path.
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Path (computing) A path, the general form of the name of a file or directory, specifies a unique location in a file system. A path points to a file system location by following the directory tree hierarchy expressed in a string of characters in which path components, separated by a delimiting character, represent each directory.
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extension Share this item with your network: 1) In computer operating systems, a file name extension is an optional addition to the file name in a suffix of the form .xxx where xxx represents a limited number of alphanumeric characters depending on the operating system.
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Naming Files, Paths, and Namespaces Naming Conventions. The following fundamental rules enable applications to create and process valid names for files and directories, regardless of the file system: Use a period to separate the base file name from the extension in the name of a directory or file. Use a backslash (\) to separate the components of a path.
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- A file extension is a letter code, usually of only three letters, that tells the computer what program to associate with a given set of data (a file). Without a file extension, the computer doesn't know how to open the file and the data becomes inaccessible.XPT is just one file extension people use. It has multiple associations. file extension is a letter code, usually of only three letters, that tells the computer what program to associate with a given set of data (a file). Without a file extension, the computer doesn't know how to open the file and the data becomes inaccessible.
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- The file type: #t if the file is a directory, a character string (the name linked to) if a symbolic link, or #f for all other types of file. The file type: #t if the file is a directory, a character string (the name linked to) if a symbolic link, or #f for all other types of file.
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GD&T Glossary and Resource Symbols and Terms GD&T Glossary and Resource Symbols and Terms. Use this quick reference to find definitions of common GD&T symbols and terms. Our full color Pocket Guide is a great resources for your desk, workbench or pocket.
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File system A network file system is a file system that acts as a client for a remote file access protocol, providing access to files on a server. Programs using local interfaces can transparently create, manage and access hierarchical directories and files in remote network-connected computers.n a disk file system there is typically a master file directory, and a map of used and free data regions. Any file additions, changes, or removals require updating the directory and the used/free maps.
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- In a file path, folder and subfolder names are separated by a slash (/). For example, My Documents/Stories/Novel.txt shows a file called Novel.txt inside the Stories subfolder, which is inside the My Documents folder.
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Visual InterDev A file with the name <file> already exists. Visual InterDev. A file with the name <file> already exists. You are trying to add a file to your Web project and a file with the same name already exists in the project. This message can occur when you're adding a new file, moving a file, or copying a file. To correct this error, rename the file you're adding, moving, or copying; rename the existing file; or replace the existing file with the new file.