Supply system software produced, most often done as a part of a project to create an information system, especially when performing tasks on systems integration and construction of the systems and «turnkey».
In fact, to the system software can be assigned a wide range of software products, primarily in the «boxed» version: operating systems, database management systems, monitoring tools of information resources, the system of exchange of information, development tools, etc.
It should be noted that usually the customer requires not only to deliver him the box with the products (box-moving), but also to perform the installation, commissioning appropriate software, staff training.