screen

Author: James Halliday

screen.markdown

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+# screen
+
+You can use screen to run command-line programs and keep
+them running, even when you go away.
+
+---
+# install screen
+
+    $ sudo apt-get install screen
+
+---
+# create a new named screen
+
+    $ screen -S website
+
+---
+# list screens
+
+    $ screen -list
+
+---
+# connect to a screen
+
+    $ screen -x website
+
+---
+# detach from a screen
+
+From inside of a screen, press CTRL+A then `d`.
+
+---
+# create a new window inside screen
+
+CTRL+A c
+
+---
+# go to the next window
+
+CTRL+A n
+
+---
+# go to the previous window
+
+CTRL+A p
+
+---
+# close a window
+
+Just type `exit` to close a window.
+
+---
+# irc from the command-line
+
+Install irssi:
+
+    $ sudo apt-get install irssi
+
+Then create a screen for irc:
+
+    $ screen -S irc
+
+---
+Then in a screen, you can run `irssi` to use irc from the
+command line.
+
+* `/nick robowizard` - set your nickname on the server
+* `/connect irc.freenode.net` - connect to irc.freenode.net
+* `/join #cyberwizard` - join the channel called cyberwizard
+* ESC+N or `/win N` - to jump to the window at number N
+
+Once you're in a channel, type text like usual.
+`CTRL+A d` to detach and `screen -x irc` to resume.
+
+---
+# run a web server
+
+Make a web server.js:
+
+``` js
+var http = require('http');
+var server = http.createServer(function (req, res) {
+    res.end("YOU'RE A WIZARD.\n");
+});
+server.listen(8000);
+```
+
+now run your server with node from inside a screen:
+
+```
+$ node server.js
+```
+
+then detach the screen with CTRL+A d.
+