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 add a user without command?

Satyam,

6 9495

without keyboard detection is booting process continue or not?

3 6470

what is port no for telnet?

12 23758

what is port no for NFS?

5 22275

what is port no for LDAP?

8 16992

what file shows all available ports?

1 4667

how to know OS release?

4 6986

what is diffrence between windows xp & windows xp service pack 2

HCL, Videocon,

2 8017

how we can save the wall paper same for all the users & they can not change it

Videocon,

4 8336

how u can hide ip adress for any login

HCL, Videocon,

1 8036

If you can ping a server, but can't telnet or ssh to it, what could be the problem?

8 10144

If a user logs in to UNIX, it displays the desktop and then immediately logs you back out, what could be wrong?

Satyam,

2 5991

What are the two settings you can change to make a system boot faster?

3 6065

Someone pings a server from another location and gets a different result than if you ping the same server onsite. What is going on?

2 4754

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

Infosys,

2 6614

Un-Answered Questions { Operating Systems }

What is dangling pointer and how to avoid it?

965

How does mkdir work in linux?

1226

Explain the concept of the multi-processor systems or parallel systems?

1022

What is ie tab in chrome?

1075

What do you mean by header in computer?

1002

On what level of security does windows nt meets?

1039

What is robocopy command?

1036

Is windows 10 illegal without activation?

890

Can you ensure an updated system all the time and perform market research ?

900

How long does scanning and repairing a drive take?

962

Is dllmain necessary?

903

Is arraylist heterogeneous?

882

Can we add elements to final list?

911

Why paging is used in os?

1027

Tell me if you know how are the wait/signal operations for monitor different from those for semaphores?

1058

For More Un-Answered { Operating Systems } Questions Click Here