http://www.iis.net/learn/extensions/using-iis-express/running-iis-express-from-the-command-line

C:\Program Files\IIS Express

iisexpress /path:D:\ftp\PRJ-Release /port:1800 /clr:v4.0
iisexpress /config:D:\IISExpress\applicationhost.config /site:PRJWeb