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

which script will invoke first ,when /etc/init.d starts

1 6495

applications of stacks and their uses?

Mind Tree, Samsung,

1 5745

simple algorithm for bubble sort?

1 4574

applications of linked lists and mostly used linked list?

3 6736

1.how to know cpu information on linux system? 2.how to hardware information on linux system? 3.if we add the new user what are the files will be changed? 4.how to remove the cache in squid server ? 5.how to know ur useing 32bit r 64 bit os ? 6.at booting process at init level which file it is reads? 7.if ur system performance is show what can u do ? 8.if ur file system corrupted what can u do ? fsck also not working? 9.how did u do health check in linux? 10.how did u check system performance in linux? 11.how did u create NIS server? give me the steps ? 12.how did u add a packages in linux ? 13.how did u know depended packages for any package useing rpm how u know? 14.how did you monitor cronjobs in linux ? 15.what is the use of logroted? and how did u do ? 16.port no is already in use so what canu do for that in http? 17.how to samba configurated are not ? there are any command for that ? 18.how to create a NTP Client using commands ? not as graphical... 19.how to know how many members are using any service? like ftp are any other services? 20.what is the differences between cmp,diff,comm commands?

3 7882

explain readers-writers problem?

4096

Hi Freinds, Any body is wotking as System Administrator, Please mail me rakesh.kesh881@gmail.com

2244

how many zones can be installed in server which has 4 processors?

Oracle,

1 6140

what is difference between tar and cpio

IBM,

1 7910

Hi, I'm now using windows 7 in my desktop. I have used a lot of audio recording and editing software but most of then doesn't support the compatibility of win7 and often disturbs. So can anyone tell me which one would be the best audio recording and editing software for win7? Thanks Emanali

1 3686

If i have one root domain & two child domain, then in total how many FSMO roles i will have in entire forest?

Wipro,

1 5357

What is the difference between Authoritative restore & Non- Authoritative restore?

Wipro,

1 6976

A system has four NI cards , how do you find out that a particular NI card is faulty without going to the sever ?

HCL,

1 5850

what is block device and character device?

1 6020

how many partition we make in 500 gb hard drive

Baidu, Wipro,

7 17555

Un-Answered Questions { Operating Systems }

Is the Process before and after the swap are the same? Give reason.

1223

Is copyonwritearraylist thread safe?

869

What are the five main functions of an operating system?

1114

What does 'mkdir' command do in UNIX?

1322

What are the deadlock avoidance algorithms?

1121

What is dangling pointer and how to avoid it?

975

What is time complexity of bubble sort?

891

How to Controll and Deallocate Shared Memory?

1665

Tell me what should be done in the base case for this recursive problem?

894

How do you recover a corrupted hard drive?

979

Explain Stack

1033

What are the main features of korn shell?

959

Is heap sort adaptive?

853

What is height balanced tree?

940

What is long term scheduler in operating system (os)?

1042

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