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For more software testing articles visit: http://www.softwaretestinghelp.com Main features of unix : Multi user - More than one user can use the machine Multitasking - More than one program can be run at a time. Portability – This means the operating system can be easily converted to run on different browsers. Commands ls when invoked without any arguments, lists the files in the current working directory. A directory that is not the current working directory can be specified and ls will list the files there. The user also may specify any list of files and directories. In this case, all files and all contents of specified directories will be listed. Files whose names start with "." are not listed, unless the -a flag is specified or the files are specified explicitly. Without options, ls displays files in a bare format. This bare format however makes it difficult to establish the type, permissions, and size of the files. The most common options to reveal ...

1) Functionality Testing 2) Usability testing 3) Interface testing 4) Compatibility testing 5) Performance testing 6) Security testing 1) Functionality Testing: Test for - all the links in web pages, database connection, forms used in the web pages for submitting or getting information from user, Cookie testing. Check all the links: * Test the outgoing links from all the pages from specific domain under test. * Test all internal links. * Test links jumping on the same pages. * Test links used to send the email to admin or other users from web pages. * Test to check if there are any orphan pages. * Lastly in link checking, check for broken links in all above-mentioned links. Test forms in all pages: Forms are the integral part of any web site. Forms are used to get information from users and to keep interaction with them. So what should be checked on these forms? * First check all the validations on each field. * Check for t...

What is software testing? Software testing is more than just error detection; Testing software is operating the software under controlled conditions, to (1) verify that it behaves “as specified”; (2) to detect errors, and (3) to validate that what has been specified is what the user actually wanted. 1.Verification is the checking or testing of items, including software, for conformance and consistency by evaluating the results against pre-specified requirements. [Verification: Are we building the system right?] 2.Error Detection: Testing should intentionally attempt to make things go wrong to determine if things happen when they shouldn’t or things don’t happen when they should. 3.Validation looks at the system correctness – i.e. is the process of checking that what has been specified is what the user actually wanted. [Validation: Are we building the right system?] Testing is the process of analyzing a software item to detect the differences between existing and required cond...

Learn to analyze your test results thoroughly. Do not ignore the test result. The final test result may be ‘pass’ or ‘fail’ but troubleshooting the root cause of ‘fail’ will lead you to the solution of the problem. Testers will be respected if they not only log the bugs but also provide solutions. Learn to maximize the test coverage every time you test any application. Though 100 percent test coverage might not be possible still you can always try to reach near it. To ensure maximum test coverage break your application under test (AUT) into smaller functional modules. Write test cases on such individual unit modules. Also if possible break these modules into smaller parts. E.g: Lets assume you have divided your website application in modules and ‘accepting user information’ is one of the modules. You can break this ‘User information’ screen into smaller parts for writing test cases: Parts like UI testing, security testing, functional testing of the ‘User information’ form etc. Ap...

Following are some facts that can help you gain a better insight into the realities of Software Engineering. The best programmers are up to 28 times better than the worst programmers. New tools/techniques cause an initial LOSS of productivity/quality. The answer to a feasibility study is almost always “yes”. A May 2002 report prepared for the National Institute of Standards and Technologies (NIST)(1) estimates the annual cost of software defects in the United States as $59.5 billion. Reusable components are three times as hard to build. For every 25% increase in problem complexity, there is a 100% increase in solution complexity. 80% of software work is intellectual. A fair amount of it is creative. Little of it is clerical. Requirements errors are the most expensive to fix during production. Missing requirements are the hardest requirement errors to correct. Error-removal is the most time-consuming phase of the life cycle. Software is usually tested at best at the 55-60% (...

Certification Information for Software QA and Test Engineers CSQE - ASQ (American Society for Quality)’s program for CSQE (Certified Software Quality Engineer) - information on requirements, outline of required 'Body of Knowledge', listing of study references and more. CSQA/CSTE - QAI (Quality Assurance Institute)'s program for CSQA (Certified Software Quality Analyst) and CSTE (Certified Software Test Engineer) certifications. ISEB Software Testing Certifications - The British Computer Society maintains a program of 2 levels of certifications - ISEB Foundation Certificate, Practitioner Certificate. ISTQB Certified Tester - The International Software Testing Qualifications Board is a part of the European Organization for Quality - Software Group, based in Germany. The certifications are based on experience, a training course and test. Two levels are available: Foundation and Advanced.

ISO - International Organization for Standardization is a network of the national standards institutes of 150 countries, on the basis of one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system. ISO is a non-governmental organization. ISO has developed over 13, 000 International Standards on a variety of subjects.