Emacs tips

• Emacs Wiki: http://www.emacswiki.org
• examples of Major modes (C++ mode, erc, gnus, etc.).
• examples of minor modes (spell checking mode).
• CTRL c (written as C-c) for commands related to the mode u r in.
• a very important command is CTRL g (C-g), to cancel any command u started writing in the emacs command line.
• Emacs supports completion of other words in the buffer, using M-/ TAB
• for changing the default color of emacs, download the color-theme package from the emacs wiki, gunzip it under the elisp/ directory (create it first), then open it using M-x color-theme-select and select a nicer theme.
• if u want to change the emacs defaults, u have to edit the .emacs file (create it first), and then u have to know some lisp syntax to be able to write ur own preferences.
• also u can customize emacs through options ---> customize emacs.

Emacs Command:

ALT x (written as M-x) opens the emacs command.

• ALT x then press TAB, to view all possible commands/functions (tab completion).
• u type the command to enable/disable functions.
• M-x eshell ---> opens emacs shell.
• M-x term ---> opens bash.
• u can press ESC then press x, instead of typing M-x.

Editor related commands:

CTRL x (written as C-x) for commands related to the editor.

• C-x C-f ---> open file.
• C-x C-s ---> save file.
• C-x C-c ---> quit emacs.
• C-x d ---> opens dired mode.

Help Commands:

CTRL h (written as C-h) for help commands, also u can access it through F1

• C-h C-h ---> about help.
• C-h b ---> key bindings.
• C-h t ---> interactive tutorial.

Text-editing Commands:

• C-SPACE ---> set a mark.
  • type C-x C-x to switch between the set mark and the cursor (after C-SPACE).
• C-w ---> cut.
• M-w ---> copy.
• C-y ---> yank/paste.
  • type M-y to browse through the "kill ring" (all what u have copied, cut, killed, selected in the clipboard), after C-y
• C-k ---> deletes from the point of the cursor to the end of the line.
  • if u press C-k many times quickly, u can kill many lines and when u paste emacs paste them all not only the last line.
• C-_ ---> undo (when undos end, start redoing).

Multi windows:

• C-x 2 ---> splits the window in focus horizontally.
• C-x 3 ---> splits the window in focus vertically.
• C-x o ---> switches focus to the next window.
• C-x 0 ---> closes the window in focus.

Major Modes:

• tramp: ssh through emacs.
• gnus: news reader and mail client.
• w3m: web browser, supports tables and images.
• latex: with the latex-preview minor mode, u can c the generated output of latex while u r writing.
• psgml: validator editor of sgml, xml, html.
• erc: irc client.
  • supports nick completion.