The major systems in the PMBOK

Original: http://blog.sina.com.cn/s/blog_6a656bb40100otft.html
Project Management System (Project Management Systems, PMS)

A collection of procedures, tools, techniques, methods, resources, and programs that are required to manage a project. is one of the most widely-extended concepts. Program Management Information System (Project Management Information System, PMIS)

An information system consisting of tools and techniques for the collection, integration and dissemination of the results of the project management process.
It is the information platform for all project management work, providing support for all aspects of the project from initiation to closure, including manual and automated systems.
Project management Information System is not only a business environment factor, but also a tool and technology to guide and manage the execution of the project, and the business environment factor and the organization process assets intersect in this; configuration management System (config Management system,cms)

See also: What is the difference between the configuration management system and the overall change system and the contact Change Control system (SYSTEM,CCS)

See also: What is the difference between the configuration management system and the overall change system and the contact work Authorization System (working Authorization systems, was)

Definition: A collection of formal written procedures that specifies how to authorize (entrust) a project to work.
Objective: To ensure that the work is performed in the right order, at the right time, and in the right sequence.
Content: Includes the steps, files, tracking system, and approval hierarchy required to publish a work authorization. Contract Change Control system (contract System,cccs)

is the management of procurement tools and technology.
The contract Change control system stipulates the process of modifying the contract. It includes clerical work, tracking systems, dispute resolution procedures, and the level of approval required for various changes.
The contract change control system should be integrated with the whole change control system. is part of the change control system. Records Management System (Records Management system,rms)

is part of the project management Information System.
The project manager uses a records management system to manage contracts, procurement documents and related records.
Includes a set of specific processes, related control functions, and automation tools as part of the project management Information System.
The system contains searchable contract documents and correspondence files.