Unix Shell Scripting Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Kernel : The core of the …
Overview of VB Script VBScript is a Microsoft scripting language.It is the default scripting language in ASP. VBScript is a scripting language is a lightweight programming language. It is a light version of Microsoft’s programming language Visual Basic It is only supported by Microsoft’s browsers (Internet …
Scheduling Approaches In Real Time Operating System In Real Time Operating System there are mainly three scheduling approaches which are used to schedule the tasks. Clock driven Weighted round-robin Priority driven Clock driven approach On initialising the system Scheduler decides the tasks that have to …
Operating Systems Operating System acts as a middle man between the user and the computer hardware. Goals of the Operating System Executes user programs and makes problem solving easier Makes computer system convenient to use. Use the hardware in an efficient manner. Modeling an Operating …
Effort Estimation In software development, effort estimation is the process of predicting the most realistic amount of effort (expressed in terms of person-hours or money) required to develop or maintain software based on incomplete, uncertain and noisy input. Effort estimates may be used as input to project plans, iteration plans, budgets, investment …
Inventory Inventory is a physical resource that a firm holds in stock with the intent of selling it or transforming it into a more valuable state. Inventory System Inventory System is a set of policies and controls that monitors levels of inventory and determines what …
Field Testing Field testing is performed to ensure the device is built to standardized specifications by validating the device hardware and software. A few of the things this involves are checking basic features like Call performance (monitor point and monitor route testing), interoperability testing and …
What is Risk ? Risk is an uncertain future event or condition that, if it occurs, has a negative impact on a project’s objectives. Project Risk is always in the future. Issue: A risk that has become a reality due to an event called a …
What is End To End Testing ? End-to-end testing is a methodology used to test whether the flow of an application is performing as designed from start to finish. The purpose of carrying out end-to-end tests is to identify system dependencies and to ensure that the …
What is a Shell ? The shell is the program that waits for you to type in a Unix command and then press the return key. Then the shell handles the execution of your command. Common Shells C Shell (/bin/csh) Turbo C Shell (/bin/tcsh) Korn …