S1.6 Parameter identification for adaption.
S2. Maintenance and Extension of Software
S2.1 Detection of errors: responsibility, diagnostic techniques.
S2.2 Error reporting: responsibility, direction of report.
S2.3 Method of response to error reports.
S2.4 Distribution of corrections.
S3. Instruction of Users
S3.1 Manuals for different classes of users such as:
a) computing centers
b) large scale permanent users
c) incidental users.
S3.2 Techniques of instruction (including automatic techniques).
S4. Documentation for Service and Users
S4.1 Levels of documentation such as:
a) maintenance
b) instruction;
S4.2 Criteria for documentation requirements;
S4.3 Techniques for document production.
S5. Performance Monitoring and Systems Evaluation
S5.1 Criteria and measures of performance;
S5.2 Methods of measuring
a) by hardware or by software
b) by sampling or continuous
c) micro or macro.
S6. Feedback into Design and Production
S6.1 Mechanisms for feedback (such as users groups);
S6.2 Responsibility;
S6.3 Description of feedback channels and recipients;
S6.4 Consideration of efficiency of feedback;
S6.5 Marketing considerations.
S7. Modifications of Existing Software
S7.1 Reasons for modifications;
S7.2 Improvement of performance;
S7.3 Problem modification leading to: