Emacs Keys Overview
Organization of Emacs Key Shortcuts
Emacs keys are often confusing to beginners. Here's a summary.
Alt+x is to call a command by name.
Ctrl+letter is for frequently used editing commands. e.g.
Alt+letter is for somewhat less frequently used operations, often complement to Ctrl. e.g.
Ctrl+x keys is for commands that are useful globally. e.g.
string-rectangle【Ctrl+x r t】
list-bookmarks【Ctrl+x r l】
Ctrl+c keys is for major-mode specific commands. e.g.
- in org-mode,
org-time-stamp【Ctrl+c .】 inserts date.
Ctrl+h keys is for help or getting info. e.g.
Ctrl+Alt+key is for lisp coding related commands. e.g.
backward-sexp【Ctrl+Meta+←】 [see Emacs: Navigate Lisp Code as Tree]
is technically Meta+x, ususually written as
M-x. “Meta” is a physical key on lisp machine keyboards.
If you are in a text terminal, and no Meta remapping has been setup, you can type Meta+x by pressing Escape x.
Space-cadet Keyboard and Lisp Machine Keyboards]