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In Unix and Unix-like operating systems, chmod is the command and system call which is used to change the access permissions of file system objects. It is also used to change special mode flags. The request is filtered by the umask. The name is an abbreviation of change mode.
In human–computer interaction and user interface design, cut, copy and paste are related commands that offer an interprocess communication technique for transferring data through a computer's user interface. The cut command removes the selected data from its original position, while the copy command creates a duplicate; in both cases the selected data is kept in temporary storage. The data from the clipboard is later inserted wherever a paste command is issued. The data remains available to any application supporting the feature, thus allowing easy data transfer between applications.
In computing, ls is a command to list computer files in Unix and Unix-like operating systems. ls is specified by POSIX and the Single UNIX Specification. When invoked without any arguments, ls lists the files in the current working directory. The command is also available in the EFI shell. In other environments, such as DOS, OS/2, and Microsoft Windows, similar functionality is provided by the dir command. The numerical computing environments MATLAB and GNU Octave include an ls function with similar functionality.
In computing, a command is a directive to a computer program to perform a specific task. It may be issued via a command-line interface, such as a shell, or as input to a network service as part of a network protocol, or as an event in a graphical user interface triggered by the user selecting an option in a menu.
An HTML element is an individual component of an HTML document or web page. HTML is composed of a tree of HTML nodes, such as text nodes. Each node can have HTML attributes specified. Nodes can also have content, including other nodes and text. Many HTML nodes represent semantics, or meaning. For example, the <title> node represents the title of the document.
An environment variable is a dynamic-named value that can affect the way running processes will behave on a computer.
In computing, an icon is a pictogram or ideogram displayed on a computer screen in order to help the user navigate a computer system. The icon itself is a quickly comprehensible symbol of a software tool, function, or a data file, accessible on the system and is more like a traffic sign than a detailed illustration of the actual entity it represents. It can serve as an electronic hyperlink or file shortcut to access the program or data. The user can activate an icon using a mouse, pointer, finger, or recently voice commands. Their placement on the screen, also in relation to other icons, may provide further information to the user about their usage. In activating an icon, the user can move directly into and out of the identified function without knowing anything further about the location or requirements of the file or code.
A text box, text field or text entry box is a graphical control element intended to enable the user to input text information to be used by the program. Human Interface Guidelines recommend a single-line text box when only one line of input is required, and a multi-line text box only if more than one line of input may be required. Non-editable text boxes can serve the purpose of simply displaying text.
The IBM i Control Language (CL) is a scripting language for the IBM's IBM i platform bearing a resemblance to the IBM Job Control Language and consisting of an ever-expanding set of command objects (*CMD) used to invoke traditional AS/400 programs and/or get help on what those programs do. CL can also be used to create CL programs where there are additional commands that provide program-like functionality
On many computing platforms everything is a file, but in contrast on the AS/400 everything is an object.
File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system from Windows 95 onwards. It provides a graphical user interface for accessing the file systems. It is also the component of the operating system that presents many user interface items on the screen such as the taskbar and desktop. Controlling the computer is possible without Windows Explorer running.
WinFS was the code name for a canceled data storage and management system project based on relational databases, developed by Microsoft and first demonstrated in 2003 as an advanced storage subsystem for the Microsoft Windows operating system, designed for persistence and management of structured, semi-structured and unstructured data.
A graphical widget in a graphical user interface is an element of interaction, such as a button or a scroll bar. Controls are software components that a computer user interacts with through direct manipulation to read or edit information about an application. User interface libraries such as Windows Presentation Foundation, GTK, and Cocoa, contain a collection of controls and the logic to render these.
Pages is a word processor developed by Apple Inc. It is part of the iWork productivity suite and runs on the macOS, iPadOS and iOS operating systems. The first version of Pages was announced on January 11, 2005, and was released one month later. Pages is marketed by Apple as an easy-to-use application that allows users to quickly create documents on their devices. A number of Apple-designed templates comprising different themes are included with Pages.
DOM events are actions that occurs as a result of the user action or as result of state change of the elements of a DOM tree. Client-side scripting languages like JavaScript, JScript, ECMAScript, VBScript, and Java can register various event handlers or listeners on the element nodes inside a DOM tree, such as in HTML, XHTML, XUL, and SVG documents.
Microsoft Active Accessibility (MSAA) is an Application Programming Interface (API) for user interface accessibility. MSAA was introduced as a platform add-on to Microsoft Windows 95 in 1997. MSAA is designed to help Assistive Technology (AT) products interact with standard and custom user interface (UI) elements of an application, as well as to access, identify, and manipulate an application's UI elements. AT products work with MSAA enabled applications in order to provide better access for individuals who have physical or cognitive difficulties, impairments, or disabilities. Some examples of AT products are screen readers for users with limited sight, on screen keyboards for users with limited physical access, or narrators for users with limited hearing. MSAA can also be used for automated testing tools, and computer-based training applications.
In computing, an attribute is a specification that defines a property of an object, element, or file. It may also refer to or set the specific value for a given instance of such. For clarity, attributes should more correctly be considered metadata. An attribute is frequently and generally a property of a property. However, in actual usage, the term attribute can and is often treated as equivalent to a property depending on the technology being discussed. An attribute of an object usually consists of a name and a value; of an element, a type or class name; of a file, a name and extension.
Master Tracks Pro (MTP) is music-sequencer software for Windows, to author and/or edit MIDI data. David Kusek and Don Williams et al. at Passport Designs originally created it, continuation of marketing and development by GVOX, and, as of Aug. 8, 2013, by Passport Music Software, LLC.
The Lively Kernel is an open-source web programming environment. It supports desktop-style applications with rich graphics and direct manipulation abilities, but without the installation or upgrade troubles of conventional desktop applications. Development began at Sun Microsystems Laboratories in Menlo Park, California, and later moved to the Hasso Plattner Institute in Potsdam-Babelsberg near Berlin.
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