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 the command to check wwn # in linux?

Siemens,

4 14483

What is the command to check wwn in solaris?

Siemens,

3 8127

How to root mirror in Linux? How to replace mirrored hdd in case of failure?

Siemens,

1 6724

if you are using external package for configuring send mail what is the name of the package?

2325

If you tries to mount a share ( home directory )in a client machine, and it fails how do u approach?

2288

What is direct mount and indirect monut?

2438

What is LOM and how do you access it?

2362

What is Awk and Sed?

1 4407

i dont have access to the FTP server, what is the problem and how to trouble shoot?

Wipro,

1 4144

how to recover a server/system backup?

Wipro,

1 4050

In solaris while patching why should we break the mirroring?

Wipro,

1 5548

in solaris performance tuning what fields we check with IOSTAT, VMSTAT and NETSTAT?

Wipro,

3 7337

I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.

2343

How to see unused port number in Solaris?

HCL,

2 12804

What is the difference between udp and tcp?

HCL, TCS,

2 10823

Un-Answered Questions { Operating Systems }

How to display n-th line of a file in Unix?

1004

What is the importance of windows operating system?

806

What is difference windows 7 and windows 10?

792

What do you do when a program won't open?

974

What are the 7 types of sentences?

1060

What is peep stack?

1004

Which is the fastest operating system?

1002

Run time memory allocation is known as ?

990

What is the lightest version of linux?

872

Is there any advantage to handling the signal, rather than just ignoring it and checking for the EPIPE error? Are there any useful parameters passed to the signal catching function?

1418

Define dynamic memory allocation algorithm?

945

How to print/display the first line of a file in Unix?

1000

How do I check my filesystem?

1085

Explain the advantage of executing a process in background?

931

Can I still upgrade to windows 10 for free 2019?

809

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