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 is a trap and trapdoor?

TCS,

8 31259

What are local and global page replacements?

TCS, Wipro,

4 35580

Define latency, transfer and seek time with respect to disk I/O.

Brainware,

2 38683

Describe the Buddy system of memory allocation.

HP,

3 15463

What is time-stamping?

1 11442

How are the wait or signal operations for monitor different from those for semaphores?

1 7821

In the context of memory management, what are placement and replacement algorithms?

1 10571

In loading programs into memory, what is the difference between load-time dynamic linking and run-time dynamic linking?

2 10772

What are demand- and pre-paging?

4 28270

Paging a memory management function, while multiprogramming a processor management function, are the two interdependent?

IBM,

2 12340

What is page cannibalizing?

HCL, Wipro,

1 15748

What has triggered the need for multitasking in PCs?

1 4619

What are the four layers that Windows NT have in order to achieve independence?

1 4927

What is SMP?

1 7868

What are the key object oriented concepts used by Windows NT?

1 8194

Un-Answered Questions { Operating Systems }

What is batch scripting in windows?

900

Does emptying recycle bin permanently delete?

910

List the different types of files that can be made available with unix?

912

Which algorithm is used in collections sort method?

830

How are the elements of a 2d array are stored in the memory?

1020

What is the difference between unix and windows?

958

How to configure email notification in solaris 8? We are using netbackup 5

3420

How does the registry work?

834

Explain the common uses of threaded binary tree.

997

How can I tell if windows defender is on?

880

Can we declare array size as a negative number?

992

How do I create a dll file in notepad?

972

How long does chkdsk take to run?

1024

What is the architecture of unix operating system?

929

Are dictionaries mutable?

856

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