Mastering Emacs

o Contents o Introduction * Thank You * 2024 Edition Update * Intended Audience * What You'll Learn o The Way of Emacs * Guiding Philosophy - LISP? - Extensibility * Important Conventions - The Buffer - The Window and the Frame - The Point and Mark - Killing, Yanking and CUA - .emacs.d, init.el, and .emacs - Major Modes and Minor Modes o First Steps * Installing and Starting Emacs - Starting Emacs * The Emacs Interface * Keys - Caps Lock as Control - M-x: Execute Extended Command - M-S-x: Execute Extended Command for Buffer - Universal Arguments - Discovering and Remembering Keys * Configuring Emacs - The Customize Interface - Evaluating Elisp Code - The Package Manager - Custom Color Themes * Getting Help - The Menu Bar - Quick Help - The Info Manual - Apropos - The Describe System o The Theory of Movement * The Basics - C-x C-f: Find file - C-x C-s: Save Buffer - C-x C-c: Exit Emacs - C-x b: Switch Buffer - C-x k: Kill Buffer - ESC ESC ESC: Keyboard Escape - C-/: Undo * Window Management - Working with Other Windows * Frame Management * Tab Bars and Tab Lines - Tab Bar Mode - Tab Line Mode * Elemental Movement - Navigation Keys - Moving by Character - Moving by Line - Moving by Word - Moving by S-Expressions - Other Movement Commands - Scrolling * Bookmarks and Registers * Selections and Regions - Selection Compatibility Modes - Rectangle Selection - Setting the Mark - Summary * Searching and Indexing - Isearch: Incremental Search - Occur: Print and Edit lines matching an expression - Imenu: Jump to definitions - Helm: Incremental Completion and Selection - IDO: Interactively DO Things - Grep: Searching the file system * Other Movement Commands * Conclusion o The Theory of Editing * Killing and Yanking Text - Killing versus Deleting - Yanking Text * Transposing Text - C-t: Transpose Characters - M-t: Transpose Words - C-M-t: Transpose S-expressions - Other Transpose Commands * Filling and Commenting - Filling - Commenting * Search and Replace - Case Folding - Regular Expressions * Changing Case * Counting Things * Text Manipulation - Editable Occur - Deleting Duplicates - Flushing and Keeping Lines - Rectangle Commands - Duplicating Things - Copying and Killing Matching Lines - Joining and Splitting Lines - Whitespace Commands * Keyboard Macros - Basic Commands - Advanced Commands * Text Expansion - Abbrev - DAbbrev and Hippie Expand * Indenting Text and Code - TAB: Indenting the Current Line - Indenting Regions * Sorting and Aligning - Sorting - Aligning * Other Editing Commands - Zapping Characters - Spell Checking - Quoted Insert o The Practicals of Emacs * Exploring Emacs - Reading the Manual - Using Apropos - C-h: Exploring Prefix keys - C-h k: Describe what a key does - C-h m: Finding mode commands - M-S-x: Execute Extended Command for Buffer * Project Management * Xref: Cross-References in Emacs * Working with Log Files - Browsing Other Files * Tramp: Remote File Editing - The Default Directory and Remote Editing - Multi-Hops and User Switching * EWW: Emacs Web Wowser * Dired: Files and Directories - Navigation - Marking and Unmarking - Operations - Working Across Directories * Shell Commands - Compiling in Emacs * Shells in Emacs - M-x shell: Shell Mode - M-x ansi-term: Terminal Emulator - M-x eshell: Emacs's Shell o Conclusion * Other Resources - Third-Party Packages and Tools - Communities