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

Explain the Array

Tech Mahindra,

1009

What is difference between an Array and ArrayList?

UGC Corporation,

1010

Tell me the difference between structure and array?

NIIT,

984

Questions related to arrays, such as given a 2 integer array, find the common elements.

Expedia,

930

An array having 100 elements have numbers from 1 to 99 randomly out of which any number is repeated. Find the repeated number in minimum time and space complexity.

1173

Explain the difference between a list and array.

TCS,

959

Check if duplicates exist in an array of N which has range 1 to N.

Expedia, GrapeCity,

968

What is the difference between Array and Array List ? Explain in brief with example.

MCN Solutions,

971

What is the procedure to insert into a sorted array?

Wipro,

984

Tell me the difference between the character array and a string.

Honeywell, HPCL, Huawei, Zomato,

958

What will happen if an array goes out of bounds?

Amdocs, HAL,

1099

Explain the Queue

Tech Mahindra,

1014

What are the various IPC mechanisms? Why is message passing costlier than semaphore?

Tech Mahindra,

1128

Give an example of circular linked list in windows system?

1001

How can i do partition of my hard disk in preloaded windows 7 in my system

MCN Solutions,

907

Un-Answered Questions { Operating Systems }

What is b tree in data structure?

910

Does windows 7 have cortana?

830

What is presentationfontcache exe?

908

What are data structures that are used for Demand Paging?

1009

Which command would you use to create a file system on a new hard drive?

1061

What are the disadvantages of linked list?

904

How do I kill a process?

976

What are the four common types of files?

1059

Why kerberos?

881

What is mkdir?

966

Differentiate bfs and dfs?

1010

how do I create a volume group?

How do unix sockets work?

860

What are old chkdsk files?

1126

List 10 networking and troubleshooting commands in linux?

877

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