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Questions and Answers
What does the field in the i-node keep track of in UNIX?
What does the field in the i-node keep track of in UNIX?
- The owner of the file
- The file's creation date
- The number of directory entries pointing to the file (correct)
- The file's size in bytes
Which type of system structure includes a main program that invokes service procedures?
Which type of system structure includes a main program that invokes service procedures?
- Client-server model
- Microkernels
- Monolithic systems (correct)
- Layered systems
What is a key characteristic of microkernels in operating system structure?
What is a key characteristic of microkernels in operating system structure?
- They implement all services in kernel space
- They have a monolithic architecture
- They do not support client-server models
- They only provide essential mechanisms such as IPC and memory management (correct)
In the client-server model over a network, what role does the server typically play?
In the client-server model over a network, what role does the server typically play?
What is the main function of utility procedures in monolithic systems?
What is the main function of utility procedures in monolithic systems?
How do virtual machines differ from microkernels in operating system structure?
How do virtual machines differ from microkernels in operating system structure?
What is the primary purpose of system calls in an operating system?
What is the primary purpose of system calls in an operating system?
How are system calls typically implemented in an operating system?
How are system calls typically implemented in an operating system?
What role do system calls play in maintaining the security of an operating system?
What role do system calls play in maintaining the security of an operating system?
In what way do user-level programs benefit from using system calls?
In what way do user-level programs benefit from using system calls?
Which of the following functions is NOT typically associated with system calls?
Which of the following functions is NOT typically associated with system calls?
Why are system calls considered critical for the functioning of an operating system?
Why are system calls considered critical for the functioning of an operating system?
What is the purpose of a system call like link in UNIX?
What is the purpose of a system call like link in UNIX?
What information does the i-number of a file in UNIX provide?
What information does the i-number of a file in UNIX provide?
How are directories represented in UNIX according to the provided text?
How are directories represented in UNIX according to the provided text?
What happens if two directory entries have the same i-number in UNIX?
What happens if two directory entries have the same i-number in UNIX?
Why does a directory need a more complicated structure to support long file names in modern UNIX systems?
Why does a directory need a more complicated structure to support long file names in modern UNIX systems?
Which statement best describes what the unlink system call does in the context of UNIX?
Which statement best describes what the unlink system call does in the context of UNIX?
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