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

What are AVL trees?

HAL,

992

What do you mean by spanning tree?

TCS,

1023

Define binary tree insertion.

Tech Mahindra,

912

What is Doubly link list?

TCS,

899

Different Types of pattern?

Wipro,

917

Give a real time example of stack

911

Define red-black trees.

Wipro,

902

Explain what is B-tree?

BPL,

980

What is the difference between a Stack and a Queue.

Genpact, TCS,

905

Explain the Complete structure of hashmap along with the basic coding of the hashmap internal implementation.

Expedia,

1025

what is use of PDC, RID, Infrastature role ?

835

Explain about shell aritmetic operators and functions?

HCL,

973

What are my options if I want to turn on security with a non-root server ID in a UNIXÂ® environment?

IBM,

907

Explain Sticky bit?

937

How does swapping result in better memory management?

1228

Un-Answered Questions { Operating Systems }

How do I stop a windows service?

846

How the Kernel handles both the page stealer and the fault handler?

1001

Explain the shell program.

What is data structure and why we need them?

835

how will you unmirror a vg if a pv gets failed?

What are subkeys in registry?

690

Which is more efficient merge sort vs quicksort?

807

Do I need antivirus on linux mint?

809

Do threads share heap?

802

What is the purpose of ram in a computer?

985

How safe is bluestacks?

963

What is the run window?

841

What is difference between hashset and linkedhashset?

1034

Suppose in an integer array, there is 1 to 100 number, out of one is duplicate, how to find?

919

Which command in linux is used for the description of any command?

876

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