What do you mean by maintenance and reengineering

Maintenance and reengineering regardless of its application Norman it size or it complexity computer software will evolve our time change drive this process for computer software change accurate when error are corrected when the software is adapted is 28 new environment when the customer requires new feature of function and when the application is engineer to provide benefit in a modern contact... software maintains it beans almost immediately software is realise 2 and user and within reports filter back to the software engineering organisation within weeks 1 class of user indicate that the software must be changed so that it can accommodated the special needs of their environment and we did month and other corporate group that wanted nothing to do Mohit the software when it was realise no recognised that it may provide and expected benefit... software support ability in order to efficiently support industry grade software your organisation its design must be capable of making the corruption adoption and enhancement that are part of the maintenance activity but in addition the organisation must provide other important support activity that include I'm going operation support