Explore topic-wise MCQs in Unix.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

open system call returns the file descriptor as ___

A. int
B. float
C. char
D. double
Answer» D. double
2.

Which of the following mode is used for opening a file in both reading and writing?

A. O_RDONLY
B. O_WRONLY
C. O_RDWR
D. O_WDR
Answer» D. O_WDR
3.

There are ___ modes of opening a file.

A. 4
B. 3
C. 2
D. 1
Answer» C. 2