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Emacs (/ ˈ iː m æ k s / ⓘ), originally named EMACS (an acronym for "Editor Macros"), [1] [2] [3] is a family of text editors that are characterized by their extensibility. [4] The manual for the most widely used variant, [5] GNU Emacs, describes it as "the extensible, customizable, self-documenting, real-time display editor". [6]
GNU Emacs supports the capability to use it as an interpreter for the Emacs Lisp language without displaying the text editor user interface. In batch mode, user configuration is not loaded and the terminal interrupt characters C-c and C-z will have their usual effect of exiting the program or suspending execution instead of invoking Emacs ...
XEmacs is a graphical- and console-based text editor which runs on almost any Unix-like operating system as well as Microsoft Windows.XEmacs is a fork, based on a version of GNU Emacs from the late 1980s.
The interpreter would execute one of a number of predefined commands, one of which would be to run a user program. Common commands would log the user on and off the system, allocate, free, and manipulate devices and files, and query various pieces of information about the system or a user process.
Some file managers implement a TUI (here: Midnight Commander) Vim is a very widely used TUI text editor. In computing, text-based user interfaces (TUI) (alternately terminal user interfaces, to reflect a dependence upon the properties of computer terminals and not just text), is a retronym describing a type of user interface (UI) common as an early form of human–computer interaction, before ...
The database can be used to instantly locate the definition even if it is in another file. Bracket matching : Find matching parenthesis or bracket, taking into account nesting. Auto indentation : May refer to just simple indenting to the same level as the line above, or intelligent indenting that is language specific, e.g., ensuring a given ...
As of October 2014, the implementation had reached a stage where Guile Emacs is able to reliably run most Emacs Lisp code. Remaining problems or possible problems involve the different internal representation of Emacs Lisp strings from Scheme strings, the difference between how Emacs Lisp and Scheme treat the Boolean false and empty list ...
A "manual" way of editing in an external GUI text editor is to use copy and paste.Some text editors do not support, or may not be set up to support, various special characters—Chinese characters, non-Latin letters, mathematical symbols, and so on—they are typically replaced with a character that renders as a square.