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

how can you say that unix operating system provides more security than other operating systems.

1 5186

why unix command can be divided into internal and external command

IBM,

1 7483

someone already asked 'what is diff between unix & Linux' can I ask the same but more nuanced...I have 7 years app support of unix, have never seen Linux BUT need to bluff my way through in an interview i e say that I have use Linux. What are the most important things I need to know?

1 3893

How to configure root mirroring in veritas volume manager

L&T,

5 26254

Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?

1 6916

When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?

3 8487

The rm command removes links to file. What does this mean? How then is a file deleted from the file system?

5 12213

Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?

Infosys,

10 15822

tell me similarities between thread and process

Tanla Solutions,

4 34330

what is the command to view gateway?

5 9187

how to view crond status? If it's show service is not found.

Tech Mahindra,

6 15499

what is the difference between service and process?

IBM,

7 39022

how to give a normal user reboot and shutdown permission? Plz also mention the step.

4 11029

what is the command to make a process to run in the foreground from background?

5 8693

what is file system ?can u explain briefly ?

2 6214

Un-Answered Questions { Operating Systems }

How install wamp on windows?

837

Explain what are the major data structures used in the network data model?

1074

What are the applications of stack?

899

What is complexity of bubble sort?

880

What the command used for list the contents of your home directory, current directory and all subdirectories?

959

What is formgroup?

845

Explain command to view process running?

1136

Tell me about different OS related issues for a given set of C-programs (mainly address issues address space, paging etc.)

1069

What are different types of filters used in linux?

876

What are kernel objects?

2418

How do I edit system32 in windows 7?

779

What is pthread_mutex?

767

Which sorting is best for large data?

928

What is synchronization linux?

1038

Is linux owned by ibm?

885

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