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    Network Operating Systems; File systems

  1. How does a dedicated NOS differ from a shared NOS?
  2. What is meant when we say an operating system presents the user/programmer with a 'virtual machine'
  3. Briefly describe the functions of each of the following Operating System components
    1. Memory Manager
    2. I/O Manager
    3. Process Manager
    4. File System
  4. Name two functions a NOS should provide in addition to the standard OS functions (Memory, I/O, Process, and File Management).
  5. How many characters are allowed in a DOS file name? In a Windows XP file name? In a Linux file name?.
  6. What is the name of the file system used in Windows 98? Windows XP? Linux?
  7. What mechanism (specify the data structure name) is used to identify the physical locations a file occupies on a disk in a windows 98 system? Windows XP? Linux?
  8. Why are clusters used for file allocation instead of sectors?
  9. How many entries does a FAT have?
  10. How does a NOS identify a file on a remote host?
  11. What is an absolute address? Path?
  12. What is a relative address? Path?
  13. Which of the following is/are absolute path name(s)?
    1. dir1/filex
    2. /home/user/filey
    3. ../../dir2/filez
    4. c:\dira\dirbb\filew
    5. filev