File Name: os lab viva questions and answers .zip
This is a UNIX command where you need to create a file and change its parameter to read-only by using chmod command you can also change your umask to create read only file. How do you find how many cpu are in your system and there details? The line you see shows the permission for three different set of people : user, group and others. User is the currently logged in user, while group is for all other member which are part of certain group and others means anyone other than user and group member. So in above line, user has only read permission, group members has write permissions and other people has only execute permission. If it is a directory then you need execute permission to go inside that directory.
What is an operating system? An operating system is a program that acts as an intermediary between the user and the computer hardware. The purpose of an OS is to provide a convenient environment in which user can execute programs in a convenient and efficient manner. What is purpose of different operating systems? What are the different operating systems?
An Operating system is an essential part in any computer system. There is a huge demand for OS developers in the IT industry. To build a career as an Operating System developer, candidates need to crack the interview in which they are asked for various Operating System interview questions. We have compiled a list of frequently asked OS interview questions and answers that an interviewer might ask you during your Operating System job interview or viva. Candidates are likely to be asked basic to advance level Operating System interview questions depending on their experience and various other factors. The below list covers all the important Operating System questions for freshers as well as experienced Operating System professionals. This common OS Developer interview questions guide will help you clear the interview and help you get your dream job.
These selected questions and answers are prepared from Operating Systems Exam point of view and will also help in quick revision to get good marks in Operating Systems Examination. These questions has been prepared for the computer science graduates B. Tech, B. Following is the selected list of questions and their answers and will help in quick revision to get good marks in Operating Systems Examination. What is the relationship between operating systems and computer hardware? How Buffering can improve the performance of a Computer system? What inconveniences that a user can face while interacting with a computer system, which is without an operating system?
What is a process and process table? For example a Web Browser is a process, a shell or command prompt is a process. The operating system is responsible for managing all the processes that are running on a computer and allocated each process a certain amount of time to use the processor. In addition, the operating system also allocates various other resources that processes will need such as computer memory or disks. To keep track of the state of all the processes, the operating system maintains a table known as the process table. Inside this table, every process is listed along with the resources the processes is using and the current state of the process. Processes can be in one of three states: running, ready, or waiting.
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These 90 solved Oops questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals. After reading these tricky Operating Systems questions , you can easily attempt the objective type and multiple choice type questions on OS. What are the functions of operating system? The operating system controls and coordinates the use of hardware among the different processes and applications.
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Когда он влетел во вращающуюся дверь, прозвучал еще один выстрел. Стеклянная панель обдала его дождем осколков. Дверь повернулась и мгновение спустя выкинула его на асфальт.
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