Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

12 17148

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


3 4770

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


1 4427

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


2 6833

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


1 5985

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 2133

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


12 13258

What is the number of the masked code ee@?

Amazon, Accenture, Amdocs,

2 24870

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


1 7529

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


11 10892

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 20043

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

2 3856

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


4 24731

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


12 12725

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


5 7844

Un-Answered Questions { Unix }

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


What is the difference between read() and recv()?


What are the main differences between Apache 1.x and 2.x?


why unix commands simpler rather than complex task


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


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.


In detail elaborate the system? What is driver?


Why does the sockets buffer fill up sooner than expected?


What is ant_build.sh? Have u seen that file?


how to kernel protected memory?


What is the difference between SO_REUSEADDR and SO_REUSEPORT?


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


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


system choose one for me on the connect() call? Should I bind() a port number in my client program, or let the?


. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group