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Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

 12 31161

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

TCS,

3 8401

What is RC (return code)? What is useful for? Which are the common values?

Accenture,

1 7686

What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?

Accenture,

2 12297

What is a "parameter card" and what is useful for?

Accenture,

1 9672

Suppose you have a scheduling chain where the process 1 is a predecessor of the process 2 and both of them are scheduled every Monday at 8.00pm. Will I find execution log of process 1 every Tuesday morning? And what about the other one? Why?

Accenture, IBM,

1 4784

How i'll delete a particular line from the file? Please give answer as soon as possible. Thanks in advance.

IBM,

12 21614

What is the number of the masked code ee@?

Accenture, Amazon, Amdocs,

2 32434

What is difference between SSH V1 and SSH V2? What are drawbacks of SSH V2?

Wipro,

1 11421

How to display a file name which has zero bytes in size.

Polaris,

11 19709

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 27369

What are the general Commands in using Unix OS for a beginner? how many commands you know in that?

 2 6466

what is the difference between SED and GREP ? Which one is more better and why?

IBM,

4 36044

how to find the 51th record of a file containing 100 records in unix.

IBM,

12 22922

how to use grep command to list find the records of a file containg 10 different strings

IBM,

5 12840

Un-Answered Questions { Unix }

What is a deep well socket?

718

What are the phases of swapping a page from the memory?

762

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.

2111

Explain linking across directories?

726

why metadb requires a seperate slice to create Solaris volume manager

2813

How do unix sockets work?

646

Which mode executes the fault handler?

811

Elucidate on the different ids used in the unix process?

710

What is socket address?

796

What does awk stand for?

826

What are unix options?

706

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1590

What do know about tee command and its usage?

888

If we are terminated at the middle of the program execution in UNIX,what will happen to the program, it will continue running r terminate r the o/p will be send to your mail?

1208

what is the advaantage of each user having its own copy of the shell?

2320

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