Characteristics of application software maintenance
Communications of the ACM
System information database: an automated maintenance aid
AFIPS '84 Proceedings of the July 9-12, 1984, national computer conference and exposition
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Many books are written about structured design and programming, but never about structured maintenance. True structured maintenance comprises four functional roles, called the manager, librarian, archivist, and programmer. The manager manages. The archivist protects contents of computer files and stores information about these files in an archive library. The librarian organizes and stores software documentation in the form of a program documentation package. The programmer, of course, programs, using versions of the archive and library documents with slightly altered contents, and records day-to-day activities in the programmer's notebook. A special tool used by programmers is emergency takeover, which is a procedure for taking maintenance control of a new program.