For questions related to sencha's command tool.
Sencha Cmd is the cornerstone to build your Sencha application. From scaffolding a new project, to minifying and deploying your application to production, Sencha Cmd provides a full set of lifecycle management features to compliment your Sencha project.
Sencha CMD can be downloaded on Sencha's download site. Installers are available for Mac, Windows and Linux (64 bit, 32 bit).
For more command line options, you can check the Sencha CMD Documentation for Sencha Ext JS or the Documentation for Sencha Touch.