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

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

3 8145

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

Wipro,

3 9099

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 9807

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

4 10958

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 13102

What is uadmin and what does it do?

3 12082

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

2 7482

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

4 8134

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

HP,

4 10825

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

Locuz,

3 8951

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

9 14123

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

Lucent,

8 13928

How can you set EEPROM settings from Solaris?

Aricent, HP,

4 17610

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

3 12052

What is LOM and how ur going to access it?

3 8831

Un-Answered Questions { Operating Systems }

What is zero filling hard drive?

944

What is time slice?

1110

What is mask and umask in linux?

1015

What is the full name of linux?

841

Where should dll files be located?

970

What is makefile in unix?

1085

What is a process of windows operating system?

884

What is the other name of shortcut menu?

835

How do I repair a program in control panel?

915

How do I repair a corrupt pst file?

942

What are the disadvantages of representing a stack or queue by a linked list?

926

Which is better ext3 or ext4?

1012

Why are user level threads faster than kernel level threads?

853

What is the hard disk?

876

How does reference counting manage memory allocated objects?

1054

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