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Software development tools is the separate class of software which is intended for being used during the process of projecting, development and supporting of programs. This term is commonly used to separate this kind of soft from application oriented and system software.
Programming of the process of installation is very important and should be done by developer very thoroughly. Until the modern programs appeared, there were no problems with installation. The application module had to be just copied to the any directory of the hard disk. Then it was run by the general means of MS-DOS. If the product was compatible with the hardware, it operated properly.
Today any software developer must know that to make a successful software product he should use the special utilities called installation tools. This is the kind of software that will help to install the files, such as application, drivers, etc. on the computer. Some installers are made for installing the files comprised inside of it, others are considered to be universal and they operate reading the content of the package of the programming software, which needs the installation. Windows OS significantly eases the process of installation the software, if the developer of product uses all the advantages of this operation system. In general, the program is the package of definite instructions for the computers that should be executed in the definite time and sequence. Unfortunately, most of programs don’t comprise all these instructions into the one file and the way of simple access to it is not always exist. Frequently they are placed in some number of files which can locate even on several different data carriers. In these cases the usage of special additional installation software is really necessary. The applications created for Windows usually perfectly get all the needed data about the hardware. They can automatically find all the necessary resources such as hard disks, sound and video cards, etc.
Debugging is the phase of creating the software program which detects, localizes and corrects all the mistakes. As the main mean of the debugging the special debugging tools are used. They comprise the users interface for step execution of the application. Operation by operation, function by function the application is run and it is stopped when reaching definite line of the primary code or if the definite condition is reached. They also allow the monitoring of the value of constants. Debugging is very hard and exhausting task. Using such programming languages as Java is really simplifies the process of debugging, because it comprises some special means of exception handling. Having it used the programmer can easily find the origins of the problem. In different programming languages as C or assembler mistakes can cause the unnoticeable problems. For instance, it could be the damage of memory or the memory leak. And it is really difficult to determine the primary origin of the mistake. In such cases some sophisticated debugger utilities can be needed.