A description and analysis of numerous management problems pertaining to the substantial annual expenditures of the Government for computer software products together with recommendations to executive branch agencies for strengthening management practices are presented in this report. Appendix I provides an overview of the growth in use of (ADP) Automatic Data Processing systems and the evolution of computer software as a separate marketable product. Appendix II discusses the Federal management policies for the acquisition and use of computer software and the lack of development of these policies by the responsible central management agencies. Appendix III points out a need for the establishment of a single-purchaser concept for the acquisition and management of software used on a Government-wide basis. Appendix IV presents examples of proprietary software packages that have been independently procured by Government agencies. Appendix V suggests some measures to be considered in the acquisition and management of computer software. Appendix VI points out the need to establish a planning mechanism for the future management of software used in Federal data processing activities. Appendix VII discusses the need for management control over software. Appendix VIII presents a resume of prior Government-wide ADP management reports issued by the General Accounting Office (GAO). (Author/NH)