Operating system

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Across
  1. 1. which of the following operating systems does not support more than one program at a time?
  2. 6. interpreter is also called the shell.
  3. 8. when you delete a file in your computer, where does it go?
  4. 9. which of the following is group of programs?
Down
  1. 2. the first database for enterprise grid computing is the ________ database.
  2. 3. The size of virtual memory is based on which of the following?
  3. 4. If the page size increases, the internal fragmentation is also?..?
  4. 5. What is bootstrapping called?
  5. 7. Which of the following is a single-user operating system?