Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

12 19014

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 5157

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

Accenture,

1 4851




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

Accenture,

2 7372

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

Accenture,

1 6555

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 2381

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

IBM,

12 13965

What is the number of the masked code ee@?

Amazon, Accenture, Amdocs,

2 26321

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

Wipro,

1 8342

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

Polaris,

11 11612

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 21299

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

2 4096

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

IBM,

4 27541

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

IBM,

12 13618

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

IBM,

5 8230







Un-Answered Questions { Unix }

How can I write a multi-homed server?

490


what is difference between milestone and run-levels in Solaris ?

1612


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

1278


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.

1118


what is the time for incident, problem and change management tickets?

1413


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

428


When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

717


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

911


I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo

2129


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

302


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

945


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?

1019


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

454


why metadb requires a seperate slice to create Solaris volume manager

1512


why unix commands simpler rather than complex task

2860