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To project, develop and support some modern software products such separate class as developer utils is used. That software is not the application oriented or system program, it is utilized just by the developers. Programming of the action of installation is very significant and should be performed by programmer very carefully. Until the modern programs appeared, there were no troubles with installation. The application file had to be just copied to any directory of the hard disk. Then it was started by the general means of MS-DOS. The soft couldn't be run rightly just if it wasn't approved by the hardware. Nowadays any software designer has to realize that to make a successful software product he should use the special utilities named installation tools. That is the kind of software that can help to install any files, such as application, drivers, etc. on the computer. Some installers are created for installing the files comprised inside of it, others are considered to be universal and they work reading the substance of the package of the programming software, which needs the installation. Utilizing the Windows OS any operator is able to execute the process of installation easily, even if he is not a well-skilled user. Creating the software, the programmer gives the sequence of different commands for the computer and then they are transformed into the special code that is read by the system. Unfortunately, most of programs don't include all these instructions into the one file and the way of easy access to it not always exists. The program can utilize hundreds or even thousands of files that can't be located on one data carrier. In such cases the usage of special additional installation software is really essential. No other actions are demanded, excepting the process of installation for the proper usage of the product which is compatible with Windows OS. The installer can automatically find all the needed data about the system without any help of the operator. Debugging is the stage of creating the software program which finds, restricts and corrects all the mistakes. Debug program is the class of software which is utilized for these objectives. They include the user's interface for step execution of the application. This method permits determining the mistakes in the primary code of the product. If the mistake exists the operator can see it during the application is run step by step. All the constants and variables are controlled during the whole period of debugging. Actually that is not so easy to carry out the proper debugging. Utilizing such programming languages as Java really eases the process of debugging, because it comprises some special means of exception handling. Origins of the problems will be easily found if the developer utilizes this software. If such programming languages as C or assembler are utilized, not all the troubles can be found during the action of testing the program. Some of them are damage of the memory or the memory leak. And it is actually difficult to determine the primary origin of the mistake. In such cases different sophisticated debugger utilities can be demanded.
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Katherine Gillard is a researcher in computer science and author of many articles on install utilities. For more information browse our site. Katherine Gillard is a contributing writer on the subjects of debug utilities for different hi-tech magazines. For more information come to our site.
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