Q. The parent process picks up the exit status of a child using ___ system call.

View solution

Q. Which of the following system call is more powerful (in waiting mechanism) than wait system call?

View solution

Q. If the child dies first but the entry of that child in the process table is still present, then that process is called ____

View solution

Q. Every process belongs to a process group.

View solution

Q. ____ exec is responsible for executing programs on a UNIX system.

View solution

Q. Which of the following system call is used for duplicating file descriptor?

View solution

Q. We can also duplicate the file descriptor using ___

View solution

Q. Which of the following system call is preferred over dup and dup2 for replicating file descriptor?

View solution

Q. Which of the following system call is used for inter-process communication?

View solution

Q. We can use pipe with fork system call.

View solution

Q. The action that a signal takes on receipt of a signal is called ____

View solution

Q. The sources from where the signals can be generated are:

View solution

Q. There are _____ signals that are generated from the keyboard.

View solution

Q. Which of the following signals are generated from the hardware?

View solution

Q. ___ system call behaves in an identical manner to the kill command.

View solution

Q. Which library function uses kill to send any signal to the current process?

View solution

Q. Which system call is used to set a timer that generates the SIGALARM signal?

View solution

Q. If two users execute the same program, the memory requirements are doubled.

View solution

Q. Address space of a process is virtual.

View solution

Q. Which of the following system calls returns one or more file descriptors?

View solution