Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

12 15739

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 4604

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


1 4288

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


2 6053

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


1 5680

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 2026

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


12 12847

What is the number of the masked code ee@?

Amazon, Accenture, Amdocs,

2 23270

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


1 7086

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


11 10628

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 19316

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

2 3767

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


4 22913

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


12 12328

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


5 7663

Un-Answered Questions { Unix }

What are the pros/cons of select(), non-blocking I/O and SIGIO?


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


why unix commands simpler rather than complex task


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:


Why does the sockets buffer fill up sooner than expected?


What is the procedure to configure MC/SG Cluster services in HP-UX 11i v3 OS Environment?


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


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


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


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


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


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?


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


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


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