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

Windows (3805)
Linux (2255)
Unix (1343)
Solaris (894)

RTOS (43)
Bulnex (4)
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

7687

How are devices represented in UNIX?

2 9939

What is 'inode'?

Infosys,

11 50599

What is a FIFO?

2 6465

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

Wipro,

1 5857

What are the mount and unmount system calls?

HCL,

1 8649

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

3 15271

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

1 5998

What are various IDs associated with a process?

3 6604

Explain fork() system call?

ASAS, IBM,

12 40132

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

3 13746

What are the system calls used for process management?

3 7981

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

2 6729

How can a parent and child process communicate?

TCS,

3 18970

What is a zombie?

10 17905

Un-Answered Questions { Operating Systems }

what is the command to clear the error log?

Why do hackers use linux?

865

Explain set interface?

1070

Which sorting algorithm uses minimum number of swaps?

863

How do I fix 0xc000007b?

796

What is sorted list in data structure?

960

What is the difference between a computer process and thread?

998

Is a windows 10 iso free?

840

Does dual boot affect performance?

996

List the data structures which are used in hierarchical data model.

947

How do I disable windows start menu?

900

What are the necessary conditions for deadlock to occur?

1036

What is grep r?

1101

What does dll contain?

941

Who developed windows 7?

809

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