Question 4
uid=0(root), gid=0(root)
uid=1(root), gid=0(root)
uid=0(root), gid=1(root)
uid=1(root), gid=1(root)
Operating Systems End Term 28 Apr 2024 — Question 4
Show answer
Correct answer
uid=0(root), gid=0(root)
Question 4 of 25 in the IIT Madras BS Operating Systems (Operating Systems) End Term paper sat on 28 Apr 2024, in the January 2024 term (IIT M DEGREE AN EXAM QDB3 28 Apr 2024). It carries 2 marks.
More questions from this paper
- Consider the code segment (for xv6) given below. What is the base address and the end address of the RX register?
- If the memory map of the interrupt controller starts from the offset 0x20000000 and has an address range 128 bytes in a…
- Assume that process A (parent) is (voluntarily) trying to create a daemon process B (child). Statement 1: exit system c…
- Consider the program given below. When buffer2[10] = buffer1[0] occurs, the situation is known as _.
- What is the correct sequence of steps that an attacker would do to inject a payload into the stack using buffer overflo…
- Select all the incorrect statement(s) about CPU cores in the xv6 Operating System.
- Assume process A is waiting for an input, process B is running, and process C was running before process B and is now w…
- Choose all the correct statements about the exec system call.
- Assume a trap occurs due to a system call while in usermode. Which of the following functions are not called while hand…
- Choose all the correct statements regarding CLV (Constant Linear Velocity).
- Consider the size of the virtual memory space is 4 GB, and the size of each page frame is 4 KB. What is the number of e…
- Figure question
- Consider that the below commands are executed in a shell with root ("/") as the current directory. What is the absolute…
- In xv6 operating system, trapframe struct holds the register context of a process when an interrupt occurs.
- Match the following
- Figure question
- Figure question
- Consider the scenario given below in which the requests are serviced by C-SCAN disk scheduling algorithm.\ Start: 12, t…
- Figure question
- For a scenario with 8 philosophers in the dining philosopher’s problem, what is the minimum number of forks necessary t…
- Consider the following scenario where two processes are sharing a common variable which is modified in the critical sec…
- Consider the following code for allocproc. Assuming no context switch occur during allocproc, which of the return state…
- Consider the following functions that are used in the implementation of the Bakery algorithm: The function lock is call…
- Figure question