UNIX JOBS AND PROCESSES MCQ

Unix operating system

Title
We can also duplicate the file descriptor using ___
Which of the following system call is preferred over dup and dup2 for replicating file descriptor?
Which of the following system call is used for inter-process communication?
We can use pipe with fork system call
The action that a signal takes on receipt of a signal is called ____
The sources from where the signals can be generated are:
There are _____ signals that are generated from the keyboard
Which of the following signals are generated from the hardware?
___ system call behaves in an identical manner to the kill command
Which library function uses kill to send any signal to the current process?
Which system call is used to set a timer that generates the SIGALARM signal?
If two users execute the same program, the memory requirements are doubled
Address space of a process is virtual
Which of the following system calls returns one or more file descriptors?
The environment variables are available in _____
Which of the following functions are used for obtaining and setting the value of environment variables?
Which of the following action can be taken by a process upon receiving a signal?
What is the default disposition of most signals?
Which of the following resources are required to be managed and monitored?
System time comprises ____ components

Questions

Views

Best Answers

Points