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 to check number of disks added to system

4 8810

How to merge solaris partition

TCS,

2 8077

What is critical filesystem in solaris

6 12130

hi friends how to reinstall the grub.conf file. once i delete the grub file in perminatle ofter how to get back that file. plz send me ans. regards. madhu.m

5 14887

In solaris we have two directories for commands,what are they, Is there any difference between those.

3 5644

If a users is logged in to your system, and now you want to restrict that user what will you do?

1 4465

What is the use of /etc/path-to-inst file?

5 11887

how to see unallocated hard disk space on linux

HCL,

12 55979

How to schedule cron backup to run on 4th saturday of month??

HCL,

11 18930

what is the difference between semaphore, mutex & spinlock?????

Patni,

1 31102

is there any good future for solaris

1 4528

Write a command to find all of the files which have been accessed within the last 30 days.

Mphasis, TCS,

8 19893

How to check all open ports on linux machine and block unsed ports????????

Tech Mahindra,

7 32402

how to install linux OS? pls send step by step

3 9402

Dear friends Fast I Install red hat Linux 4.0 and again I install Sun Solaris 10 after install Solaris I got problem I am not able to see Red Hat Linux what was the problem, I need to Edit something, Can send me step by step configuring, please help me friends

2 5649

Un-Answered Questions { Operating Systems }

Why is hashmap used?

944

What is an a record, an ns record, a ptr record, a cname record, an mx record?

895

What is the main difference between wait() and sleep() method?

1061

How do I give myself administrator privileges using cmd?

911

explain me disk quota in detail and configuration details in linux operating system?

775

In the token-passing mutual exclusion algorithm, is the timestamping used to reset clocks and correct drifts, as in the distributed queue algorithms? if not, what is the function of the timestamping?

2687

What is an ordered map?

917

What is difference between comm and CMP command?

1041

What do you mean by linear probing?

1052

Why do we use insertion sort?

853

What is difference between free and available memory in linux?

998

What are the steps to delete a folder?

1009

How to jump to a particular line in a file using vim editor?

945

How do I see all programs in windows 10?

851

What is the difference between user level thread and kernel level thread?

755

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