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 stored at /lib/modules ?

NetApp,

2 9022

What is atomic function / atomic variable ?

Broadcom,

1 11952

if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ?

NetApp,

4 9721

Why bind system call is required in socket programming ? what is it;s Significance ?

Cavium Networks, IBM,

3 13918

Q. what is the difference between socket & port ?

Cavium Networks,

2 11062

what is memory mapped / IO mapped ? Which calls used for this to access any hardware address in linux device driver ?

Broadcom,

3 9648

c program to implement the unix or linux command to implement ls -l >output.txt

Arihant,

5 22135

WHAT IS THE MEANING IF AIX

IBM,

5 9313

what is use of boot -a

TCS,

3 7514

What are the IPC techniques ? explain each

Datasol, emc2,

3 16945

What is the difference between a shell variable that is exported and the one that is not exported?

2 6384

What is the Process Runs behind CTRL+ALT+DEL on Windows server

Accenture,

4 9749

What Happens when RID Master Down?

Accenture,

4 17493

DHCP Process and which Protocol DHCP uses

Accenture,

2 7245

Hello, this is parameswar from Hyderabad. I have 2 sun ultra 10 workstations. while I trai to install solaris 10 os from cdrom on both systems some times it gives message as "con't load disk labe" and some times it gives some warnigs and reboot suddenly. So could you please tell me how to install os 9 or 10 on my ultra 10 workstations.

3 5576

Un-Answered Questions { Operating Systems }

Is disk space the same as storage?

905

What are the 3 types of measurement?

1013

For addition and deletion. Which one is most preferred: array list or linked list?

887

Write a script that prints out date information in this order: time, the day of week, day number, month, year(sample output: 17:34:51 pdt sun 12 feb 2012)

1223

Does microsoft office come with windows?

873

Do I need an antivirus with windows defender?

970

What is the cause of hard disk failure?

966

Is ‘du’ a command? If so, what is its use?

1155

How to enable root logging in ubuntu?

922

What is the difference between windows 7 and windows 10?

945

Will there be a successor to windows 10?

771

How do I get to the windows desktop?

851

What programs should not run at startup?

1047

How do I open a .exe file on windows?

942

Enlist the features of Linux operating system?

1007

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