cheat sheets.

--- curl version 3	Mon Jul 09 08:36:10 +0000 2007
+++ curl version 4	Sat Jul 21 17:31:14 +0000 2007
@@ -1,17 +1,20 @@
 Command line internet/network loader tool and ajax test tool.  Read the contents
 of a URL, dump the results to the stdout.  Basic USE:
 
 curl [options] [URL...]
 
 To see if a site is alive, just get the headers: curl --head www.yahoo.com
 
 A live response returns status, cookies, content length, etc.
 
+To send custom headers (anything you want!) use: curl --header "User-Agent:
+something-special" google.com
+
 To return the entire page: curl www.google.com
 
 The view the man page:  curl --manual | less
 
 To retrieve data with POST: curl -d "name=dpw" www.google.com
 
 Related programs: wget