A software work tool used in an information processor and realizing a general purpose software work tool capable of automatically performing a software operation based on the information regarding a program. The software work tool comprises a software operator for operating a program or data, a work knowledge storer for storing as a work knowledge the information for an operation by the software operator, a communicator for externally transmitting communication information including a work request or a work report, and a controller for controlling, based on the work knowledge stored in a work knowledge storer, the software operator, the work knowledge storer, and the communicator.