Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

Write is a binary search tree? Write an algorithm and tell complexity?

ITC Indian Tobacco Company,

951

How will you sort the elements of array in descending order?

Wipro,

1006

How would you sort words in a large file?

DELL,

963

Write a program for Sorting an Array. Which sorting will you prefer?

1022

Can you explain the Virtual memory?

HPCL, Huawei,

1090

Can you distinguish between ArrayList and Array?

QuestPond,

1140

Program to remove duplicate elements in an array.

InterGraph,

1074

Explain the Stack

Tech Mahindra,

1037

How would you implement two stacks using a single array?

TCS,

1035

What happens if an array goes out-of-bounds?

TCS,

1130

Write a code for dynamic allocation of array.

iNautix,

1116

If you have to store one lakh objects, what will be a better option- a hash map or an array list?

DELL,

1261

Is Arraylist faster than Array? Why?

QuestPond,

1084

What is the difference between array list and vector list?

CGI,

959

Explain the Linked List

Tech Mahindra,

1218

Un-Answered Questions { Operating Systems }

Is hashset thread safe?

1060

What is du command in linux?

1189

Explain redirection?

907

How do I access terminal on windows?

914

Why paging is used in os?

1098

How can I use windows software on android?

872

How do you sort cpu in top command?

1146

What are operating system services in windows operating system?

What is sin_addr?

1030

How is a queue works?

1011

What does windows 10 s mode mean?

925

How do I create a path in windows?

928

What uses unix operating system?

975

How to get top two numbers from an array?

1155

What items of information about a task might be useful in real time scheduling?

4526

For More Un-Answered { Operating Systems } Questions Click Here