Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

12 15431

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 4561

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

Accenture,

1 4243

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

Accenture,

2 5990

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

Accenture,

1 5615

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?

IBM, Accenture,

1 1999

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

IBM,

12 12780

What is the number of the masked code ee@?

Amazon, Accenture, AMDOC,

2 22772

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

Wipro,

1 6984

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

Polaris,

11 10574

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 19026

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

2 3746

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

IBM,

4 22432

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

IBM,

12 12231

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

IBM,

5 7629



Un-Answered Questions { Unix }

Whats the difference between select() and poll()?

142


How do I convert a string into an internet address?

101


Explain how and when a DNS request is solved when a user tries to surf to the site www.abcdeg.in .Assume the user machine uses a local name server and sits on another network other than www.abcdef.in.

2645


"ls" command is showing all the subdirectoary and files which are present in the current directoary, i want to cut only directoary name. How to cut only name ?

1369


If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

1482


Why does it take so long to detect that the peer died?

175


I am new to Unix and Unix Shell scripting could you guide me on how to go about these subjects and where to start from with concern to Oracle?. I also would like to know where does UNIX shell Scripting help in terms of development of a application in Oracle? I have no clue in the subject so do help me. Thank You Neelima

1122


i am prepairing for 2+ yrs exp in oracle/unix production support,can u tell me which type issue comes in server plz help

5202


How can I write a multi-homed server?

365


How can I force a socket to send the data in its buffer?

151


What are the events done by the Kernel after a process is being swapped out from the main memory?

756


Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

921


How can I set the timeout for the connect() system call?

89


Why do I get EPROTO from read()?

137


How can I tell when a socket is closed on the other end?

121