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Chapter 8 System Maintenance

SYSTEM MAINTENANCE

Objectives of this maintenance work are to make sure that the system gets into

work all time without any bug. Provision must be for environmental changes which may

affect the computer or software system. This is calle the maintenance of the system. !owaays there is the rapi change in the software worl. "ue to this rapi change# the

system shoul be capable of aapting these changes. $n our project the process can be

ae without affecting other parts of the system.

Maintenance plays a vital role. The system liable to accept any moification after

its implementation. This system has been esigne to favour all new changes. "oing this

will not affect the system%s performance or its accuracy.

System Maintenance is the etaile stuy of the various operations performe by

a system an their relationships within an outsie of the system. One of the analyses is

efining the bounaries of the system an etermining whether or not a caniate system

shoul be consiere other relate system. &ny system evelope must not have high

eman on the available eman on the available technical resources. This will lea high

to emans on available technical resources.

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Chapter 8 System Maintenance

8.1 System Maintenance

Possibility must be can mae for environmental change that make some

 problem for the computer base system or program. To overcome such kin of error

calle maintenance activities. $t involves the improvement of the system function an thefault correction which occurs when the system is running. Maintenance inclues all the

activities after the installation of software is performe to keep the system Operational. $t

consists of 

Testing the evelope system with sample ata.

"etection an correction of errors.

Making necessary changes both to the coe an to ocument in

the system.

Checking of reports with that of e+isting system.

Training an involvement of user personal.

Classification:

Maintenance can be classifie as,

Corrective Maintenance

&aptive Maintenance

Perfective Maintenance

Corrective Maintenance:

Corrective maintenance means repairing processing or performance failures

or making change because of previously incorrectly problems are false assumptions.

Adaptive Maintenance:

&aptive maintenance means changing the program function.

Perfective Maintenance:

Perfective maintenance means enhancing the performance or moifying the

 programs to the user%s aitional or changing nees.

&'TO ($!&!C$!) *-