Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Windows (3805)
Linux (2255)
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RTOS (43)
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Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

Write a small dc shell script to find number of FF in the design

7763

How are devices represented in UNIX?

2 10078

What is 'inode'?

Infosys,

11 51117

What is a FIFO?

2 6611

How do you create special files like named pipes and device files?

Wipro,

1 5952

What are the mount and unmount system calls?

HCL,

1 8767

How does the inode map to data block of a file?

3 15450

what about the initial process sequence while the system boots up?

1 6091

What are various IDs associated with a process?

3 6776

Explain fork() system call?

ASAS, IBM,

12 40782

Predict the output of the following program code main() { fork(); printf("Hello World!"); }

3 13949

What are the system calls used for process management?

3 8145

How can you get or set an environment variable from a program?

2 6860

How can a parent and child process communicate?

TCS,

3 19176

What is a zombie?

10 18357

Un-Answered Questions { Operating Systems }

What is the next version of windows after 10?

961

What is the most powerful processor?

1072

What is the latest windows operating system?

1036

How does registry work wedding?

873

Are you in or at the office?

1183

What is the command for cut?

1019

How do I add a google account to windows 10?

901

How do I search for files containing specific text in linux?

813

How much does it cost for a copy of windows 10?

856

How to take backup using active directory recyclebin concept

2320

What are the differences between FTP , NFS , SAMBA servers explain separately.

1315

Can you declare an array without assigning the size of an array?

1190

For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

1372

What items of information about a task might be useful in real time scheduling?

4537

what is the gate of ftp server in redhat linux?

1981

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