Redirects incoming commands from COM1 to the command prompt and returns results from command prompt back out COM1. This is primarily useful for automation of Windows servers via console in Linux virtualization environments(ex: KVM, XEN, etc.)
Command Script 4 (CSC4) is an "application control" or application extension scripting language / virtual machine / compiler environment. CSC4 supports object member access, object creation and static calls to the underlying .NET Framework 2.0.