Instance: Assuming that a can be a numeric variable, the assignment a := two*a ensures that the written content with the variable a is doubled following the execution with the assertion. Laboratory operate expected. Readily available for go/fall short grading only. An introduction to Unix with emphasis on the http://johnnyqsqmg.thezenweb.com/Helping-The-others-Realize-The-Advantages-Of-computer-science-project-help-21985169