To create a file, you access the same function you'd used to open one: 'find file'. You can use it as an integrated development environment (IDE) to code with, or as a personal organiser. People have used Elisp to create everything from email clients through to RSS readers and even web browsers built directly into Emacs. Sure, you can configure Microsoft Word using an underlying programming language too, but Emacs goes further. You can even program it using a built-in version of the Lisp language called Emacs Lisp (Elisp). That version is still one of the most popular implementations of Emacs, it costs nothing to use, and it's completely open source.Īt its heart, emacs is a text editor, but with such a configurable and extensible feature set that you can use it for anything. It took on different incarnations until Free Software Foundation founder Richard Stallman created an open source version called GNU Emacs in 1985. It dates back to 1976 as a collection of macros written for TECO, a text editor that itself dates back to the sixties. In software terms, Emacs is a cross between a Swiss Army knife and an industrial forklift.
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