Explore topic-wise MCQs in Unix.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following signals are generated from the hardware?

A. SIGFPE
B. SIGILL
C. SIGSEGV
D. SIGPE, SIGILL, SIGSEGV
Answer» E.
2.

There are _____ signals that are generated from the keyboard.

A. 2
B. 3
C. 1
D. 5
Answer» C. 1
3.

The sources from where the signals can be generated are:

A. keyboard
B. hardware
C. a C program
D. keyboard, hardware, a C program
Answer» E.
4.

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

A. reposition
B. disposition
C. composition
D. event
Answer» C. composition
5.

We can use pipe with fork system call.

A. True
B. False
Answer» B. False
6.

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

A. fork
B. pipe
C. fcntl
D. exec
Answer» C. fcntl
7.

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

A. dup3
B. fcn
C. fcntl
D. exec
Answer» D. exec
8.

We can also duplicate the file descriptor using ___

A. dup1
B. dup2
C. exevr
D. exec
Answer» C. exevr
9.

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

A. dup
B. decr
C. exec
D. execv
Answer» B. decr
10.

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

A. True
B. False
Answer» B. False