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,

1071

Explain Marshalling?

MaxSolPro,

1037

Explain what are device drivers used for?

BPL,

1048

Explain what is meant by CORE DUMPS?

1063

What are the essential conditions for a deadlock to occur?

Zensar,

1057

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

Yahoo,

1079

How can the FCFS scheduling be made better?

1186

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

Atos Origin,

1086

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

DELL,

1212

What is external fragmentation?

1140

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

Accenture,

1189

Differentiate between compilers and interpreters.

Tech Mahindra,

925

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

Tech Mahindra,

1018

Compare Queue and Topic ?

Tech Mahindra,

1101

When should structures be passed by values or by reference?

Tech Mahindra,

1020

Un-Answered Questions { Operating Systems }

What is difference between tree and binary tree?

975

What is help command in linux?

1025

What is dll in windows programming?

916

What is the sfc command?

846

in tree construction which is the suitable efficient data structure? (Array, linked list, stack, queue)

1248

What are filter commands in unix?

1193

What do you mean by data types?

945

Does windows 10 have bloatware?

868

What is png file format used for?

870

We just changed the server name, then onwards the volume manager is not loading. Tell us what might be the reason?

916

How can multiple threads be controlled simultaneously?

1131

What are awk commands?

1158

How many types of data structures are there?

1102

In what order the elements of a hashset are retrieved?

964

What are device drivers?

1039

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