Bug tracking system
A bug tracking system is a software application that is designed to help programmers keep track of reported software bugs in their work. It may be regarded as a sort of issue tracking system.
Many bug-tracking systems, such as those used by most open source software projects, allow users to enter bug reports directly. Other systems are used only internally in a company or organization doing software development. Typically bug tracking systems are integrated with other software project management applications.
Having a bug tracking system is extremely valuable in software development, and they used extensively by companies developing software products.
Components
A major component of a bug tracking system is a database that records facts about known bugs. Facts may include the time a bug was reported, its severity, the erroneous program behavior, and details on how to reproduce the bug; as well as the identity of the person who reported it and any programmers who may be working on fixing it.
Typical Bug Tracking Systems support the concept of the life cycle for a bug which is tracked through status assigned to the bug. A bug tracking system should allow administrators to configure which users can view or edit a bug in a certain status, move the bug to another status or delete the bug. The system should also allow administrators to configure the bug statuses and to what status a bug in a particular status can be moved to.
Usage
In a corporate environment, a bug-tracking system may be used to generate reports on the productivity of programmers at fixing bugs. However, this may sometimes yield inaccurate results because different bugs may have different levels of severity and complexity. The severity of a bug may not be directly related to the complexity of fixing the bug. There may be different opinions among the managers, architects and the developers about the relative ease of fixing bugs.
Local bug trackers are usually a Computer Program used by a team of application support professionals (often a help desk) to keep track of issues communicated to software developers. Using an LBT allows support professionals to track bugs in their "own language" and not the "language of the developers." In addition, LBT use allows a team of support professionals to track specific information about users who have called to complain that may not always be needed in the actual development queue. (Thus, there are two tracking systems when an LBT is in place.)