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 difference between at and cron?

994

How do you find out all processes that are currently running?

814

How do you list contents of a directory including all of its subdirectories, providing full details and sorted by modification time?

801

How to find difference in two configuration files on the same server?

958

What linux hotkeys do you know?

930

Your default umask is 002. What does this mean?

855

List two ways to create a new file?

924

What does grep() stand for?

903

Define hcmos?

956

You have set quotas for all your users but half of your users are using more space than they have been allotted. Which of the following could be the problem?

870

How to switch to a previously used directory?

914

What would you use to view contents of a large error log file?

874

Explain the two modes of nslookup?

962

What utility can you use to show a dynamic listing of running processes?

967

How can you find a path to the file in the system?

898

Un-Answered Questions { Operating Systems }

How do I switch out of s mode?

847

What is cd in cmd?

928

State the difference between stacks and linked lists?

984

What is path variable in unix?

999

Explain the terms base case, recursive case, binding time, run-time stack and tail recursion.

885

How do I activate windows?

820

Can we extract code from dll?

915

What is command click?

840

Is grep faster than awk?

1044

Search for: what is 0x0000005 error?

877

Name the different types of memory?

1017

Write a program using mergesort technique.

1005

State the merit of linked representation of binary trees?

930

What is the first process created by the kernel in unix?

872

What is a matrix?

1065

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