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

Define max, min heap and search time of heap.

Amdocs, Tavant Technologies, Thomson Reuters, Verifone,

1075

Explain Marshalling?

MaxSolPro,

1041

Explain what are device drivers used for?

BPL,

1050

Explain what is meant by CORE DUMPS?

1074

What are the essential conditions for a deadlock to occur?

Zensar,

1059

How does yahoo handles billions of requests, does it create a thread per request or a process?

Yahoo,

1084

How can the FCFS scheduling be made better?

1190

How will you check if R3 system is a Unicode or non - Unicode system?

Atos Origin,

1093

What are the ways in which fault tolerance can be ensured in systems? (Different redundancy techniques)?

DELL,

1214

What is external fragmentation?

1142

What are the different phases of compiler? What happens in lexical phase?

Accenture,

1193

Differentiate between compilers and interpreters.

Tech Mahindra,

927

How many links are there in a binary tree of N nodes?

Tech Mahindra,

1022

Compare Queue and Topic ?

Tech Mahindra,

1106

When should structures be passed by values or by reference?

Tech Mahindra,

1024

Un-Answered Questions { Operating Systems }

Users come to you and they will be saying mail server is very slow, what are the necessary steps you will take to resolve this issue in Linux?

949

if you are using external package for configuring send mail what is the name of the package?

2328

Tell me the difference between structure and array?

983

How to uninstall software with the command line in linux?

860

Does windows 10 have notepad?

843

How do I make windows defender scan automatically?

860

1.Have you used vxboot ? 2.Minimum requirement for mirror volume to created ?

2166

Is handbrake illegal?

879

How do I fix error code 0xc0000142 in windows 10?

771

Is command prompt unix?

1161

How deadlock is detected?

973

How do you start and stop a service?

888

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1807

What does bubble sort do?

810

How do I open a keymgr dll file?

1078

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