This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
Not without some OS custom coding. For Windows this means using JNI or calling an external tool (if such a tool exists). For UNIX this means editing the Samba configuration file and restarting the Samba daemon.