Unix Interview Questions
Questions Answers Views Company eMail

What is a Region?

1 2428

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

908

What do you mean by u-area (user area) or u-block?

6 16704




What is Fork swap?

Infosys, SSI Small Scale Industries,

1 2268

What is Expansion swap?

KISSI,

1 4897

What are the processes that are not bothered by the swapper? Give Reason.

1 2522

What do you mean by nice value?

4 6378

How to setup display for a remote system?

3 2989

How to remove weird filenames?

1 3065

What are the Unix system calls for I/O?

4 8546

Describe the mount and unmount system calls?

2 8880

Describe the initial process sequence while the system boots up?

4 8026

What are various IDs associated with a process?

4 7400

What are the system calls used for process management:

5 14844

what does a process mean?

Infosys,

7 6105







Un-Answered Questions { Unix }

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

1553


hw will u use awk in replacing cahrs and files

1636


why metadb requires a seperate slice to create Solaris volume manager

1455


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

886


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

302


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:

664


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

243


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

1196


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

1298


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

266


"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 ?

1469


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.

1053


Why do I get EPROTO from read()?

220


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

467


how to sort the content of the file based on numeric values

240