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

If fsck is running, one thind u should not do.. what's that?

3 8284

If you try to send an e-mail to someone and the following message appear "Message Undeliverable", what could be wrong?

Wipro,

3 9248

How do you give a user access to an application or program that needs to run as root without giving them the root password?

3 9979

When you "ping server" and "ping server.domainname", you get different results. Why?

4 11170

How would you truncate a log file that is growing too large if you don't have space to compress it or to move it somewhere else? How would you do it?

3 13282

What is uadmin and what does it do?

3 12225

If you have multiple ethernet interfaces, how do you keep it from routing between them?

2 7623

You can receive e-mail, but when u try to send e-mail .. u can't send any. What is wrong?

4 8298

If you have forgotten the root password for a server, how do you get back in?

HP,

4 11017

Security point of view,What's there in NIS+ than NIS?

Locuz,

3 9110

How can you search for commands at the boot prompt if you only know part of the command?

9 14401

Tell me some of the differences between Solaris and Sun OS?

Lucent,

8 14259

How can you set EEPROM settings from Solaris?

Aricent, HP,

4 17843

What is OBP and how u r going to access it?

3 12170

What is LOM and how ur going to access it?

3 8974

Un-Answered Questions { Operating Systems }

Define left-in threaded tree?

924

How to create a worker thread?

1121

What is readers-writers problem?

1089

How do you kill pid?

993

What does ls mean in unix?

936

What are the different phases of compiler? What happens in lexical phase?

1235

What is the minimum number of queues needed when implementing a priority queue?

1057

How do I run an exe command prompt as administrator?

969

What is preemptive multitasking?

1131

Where is unix used?

1016

Who owns the unix trademark today?

969

Who is the founder of windows operating system?

945

What are different types of sorting algorithms?

1088

What is a command interpreter?

1255

How do I find the path in windows?

927

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