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

7689

How are devices represented in UNIX?

2 9948

What is 'inode'?

Infosys,

11 50649

What is a FIFO?

2 6480

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

Wipro,

1 5861

What are the mount and unmount system calls?

HCL,

1 8659

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

3 15284

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

1 6008

What are various IDs associated with a process?

3 6614

Explain fork() system call?

ASAS, IBM,

12 40200

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

3 13765

What are the system calls used for process management?

3 7995

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

2 6735

How can a parent and child process communicate?

TCS,

3 18987

What is a zombie?

10 17947

Un-Answered Questions { Operating Systems }

Which sorting is stable?

908

Is heap shared between processes?

969

Can I install 64 bit on x86?

908

What are the basic functions of file management in os?

1027

What is the use of chkdsk f?

1037

Can I delete mshta exe?

964

Is linux unix based?

843

Describe main memory and secondary memory storage in brief.

1034

Will there ever be a windows 11?

849

when affected the system from virus , which paths will be it stored in system ?

2279

What is the difference between collection and collections?

1023

How do I update my laptop to windows 10?

858

Give a brief idea about representation of devices in unix.

990

What actions are performed when a function returns?

931

How do you check disk?

893

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