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- Course Title : Operating SystemQuestion : How you will create new user using terminal in Ubuntu? Add screenshots of all steps for new user creation including terminal and Login page in Answer sheet. Every student has to create new user as of his/her arid number for example (18-arid-2929). Note: screenshots are mandatory.customer1.txt line 1: Ana customer2.txt line 1: Avi customer3.txt line: Mia Grey code lines (Start-9 & 14-end) can NOT be edited. New JAVA code must go inbetween lines.add tags for these feature files with --tags option: When you select scenarios by one tag When you select scenarios that have one or another tag When you select scenarios that have 2 tags When you disable scenarios that have a specific tag Given Scenarios: Feature: Login functionalityBackground:Given a web browser is at the BrainBucket login pageScenario: user can't login without entering emailGiven User is not logged inWhen Password is enteredAnd User click Login buttonThen 'Warning: No match for E-Mail Address and/or Password' will be shownScenario: user can recover his passwordGiven User is not logged inWhen User clicks 'Forgotten Password' buttonAnd enters his emailThen Message 'An email with a confirmation link has been sent your email address.' will be dispalyed
- Create a SmartDate version of our Date API that throws an exception if the date is invalid. Create a SmartDate version of our Date API that throws an exception if the date is invalid. Create a SmartDate version of our Date API that throws an exception if the date is invalid.Create a SmartDate version of our Date API that throws an exception if the date is invalid.Create a SmartDate version of our Date API that throws an exception if the date is invalid.In PHP, $_SESSION is a predefined array that is used to: 1- Store the request data coming from web browser automatically. 2- Store data that can be used in the other pages until the user logs out from the website. 3- Store data temporarily until the fulfilment of the request. 4- Store data permanently in the Web Server.MCQ: Which class waits for requests to come from the clients. It performs some operation based on that request, and then possibly returns a result to the client? DatagramSocket class ServerSocket class DatagramPacket class Socket class
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- The Pizza Ordering System allows the user of a web browser to order pizza forhome delivery. To place an order, a shopper searches to find items to purchase,adds items one at a time to a shopping cart, and possibly searches again for moreitems. When all items have been chosen, the shopper provides a delivery address.If not paying with cash, the shopper also provides credit card information. Thesystem has an option for shoppers to register with the pizza shop. They can thensave their name and address information, so that they do not have to enter thisinformation every time that they place an order.Develop a use case diagram, for a use case for placing an order, PlaceOrder. Theuse case should show a relationship to two previously specified use cases,IdentifyCustomer, which allows a user to register and log in, and PaybyCredit,which models credit card payments.Servlet Adder is part of a web application. The application started on the server and received 10 user requests, after that the application was shutdown. How many times was the service() method called by the web container? O a. 0 time O b. 10 times Oc. Never be called O d. 1 timeCreate a menu-driven application to keep track of a list of subscribers to a newsletter.The application should allow the user to add a new subscriber, remove a current subscriber, update a subscriber’s data, and display the current list of subscribers. Each subscriber should be identified by a unique ID assigned by the system.For each subscriber, you need to store first name, last name, and email address.The application must have:• A linked list as the main data structure in the application. You must use the C++ Standard Template Library (STL).• A “subscriber” class that contains data and methods related to each subscriber.