Podcast
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?
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?
What is a key characteristic of microkernels in operating system structure?
What is a key characteristic of microkernels in operating system structure?
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?
Signup and view all the answers
What is the main function of utility procedures in monolithic systems?
What is the main function of utility procedures in monolithic systems?
Signup and view all the answers
How do virtual machines differ from microkernels in operating system structure?
How do virtual machines differ from microkernels in operating system structure?
Signup and view all the answers
What is the primary purpose of system calls in an operating system?
What is the primary purpose of system calls in an operating system?
Signup and view all the answers
How are system calls typically implemented in an operating system?
How are system calls typically implemented in an operating system?
Signup and view all the answers
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?
Signup and view all the answers
In what way do user-level programs benefit from using system calls?
In what way do user-level programs benefit from using system calls?
Signup and view all the answers
Which of the following functions is NOT typically associated with system calls?
Which of the following functions is NOT typically associated with system calls?
Signup and view all the answers
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?
Signup and view all the answers
What is the purpose of a system call like link
in UNIX?
What is the purpose of a system call like link
in UNIX?
Signup and view all the answers
What information does the i-number of a file in UNIX provide?
What information does the i-number of a file in UNIX provide?
Signup and view all the answers
How are directories represented in UNIX according to the provided text?
How are directories represented in UNIX according to the provided text?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers