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emacs
Easy manual for Emacs
About Emacs
What is Emacs
- It is a very popular multifunction text editor on UNIX. *1
- You can also use it as mailer (e.g., Wanderlust, Mew, etc.).*2
How to run
- To run Emacs, just type "emacs filename" where "filename" is file you want to edit with Emacs. If the filename does not exist, a new file with the filename will be created.
How to close
- [Ctrl] + [x] + [c]
How to save
- [Ctrl] + [x] + [s]
How to move the cursor
- Use the arrow keys on a keyboard
or
[Ctrl]-[p] ↑ [Ctrl]-[b] ← → [Ctrl]-[f] ↓ [Ctrl]-[n]
Key assign
| Command | Key assign |
| Delete one word | [Ctrl]-[d] |
| Cut | Begin: [Ctrl]+[Space]/[Ctrl]+[@] End: [Ctrl]+[w] |
| Copy | Begin: [Ctrl]+[Space]/[Ctrl]+[@] End: [Esc]+[w] |
| Paste | [Ctrl]+[y] |
| Undo | [Ctrl]-[x]+[u] |
Example
(1) Create a new html file
- Login and move to the public directory.
% cd public_html [Enter key]
- public_html → If there is no directory, you need to create one.
% cd [Enter key] % mkdir public_html [Enter key] % cd public_html [Enter key]
- public_html → If there is no directory, you need to create one.
- Specify the file name, and run Emacs.
% emacs index.html [Enter key]
-
The plug-in for writing HTML called html-helper-mode is installed in CNS's Emacs, therefore necessary tags are already entered. Type "Hellow!" between <title></title> and <h1></h1>.
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> <head> <title>Hello!</title> </head> <body> <h1>Hello!</h1> <hr> <address></address> <!-- hhmts start --> <!-- hhmts end --> </body> </html>
- When you typed, save the file with [Ctrl]-[x][s] and close Emacs with [Ctrl]-[x][c].
- Enter "http://web.sfc.keio.ac.jp/~login name/index.html" and see if "Hello!" appears.
(2) Edit the administrative file for mailing list
- Login to the mail server, and open the administrative file in Emacs.
% emacs /var/mail-list/Specified directory/Administrative file name
- Write one email address on each line.
- When all email addresses are entered, save with [Ctrl]-[x][s].
- When you saved it, close Emancs with [Ctrl]-[x][c]
*1
As is often said, "Emacs is an environment".
*2 "Emacs+Mew" and "Emacs+Wanderlust" were general mailers on CNS.
*2 "Emacs+Mew" and "Emacs+Wanderlust" were general mailers on CNS.
Last-Modified: December 20, 2011
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