Unix Interview Questions
Questions Answers Views Company eMail

What is a Region?

1 2283

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

819

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

6 15716




What is Fork swap?

Infosys, SSI Small Scale Industries,

1 2056

What is Expansion swap?

KISSI,

1 4571

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

1 2430

What do you mean by nice value?

4 6145

How to setup display for a remote system?

3 2849

How to remove weird filenames?

1 2953

What are the Unix system calls for I/O?

4 8253

Describe the mount and unmount system calls?

2 8536

Describe the initial process sequence while the system boots up?

4 7844

What are various IDs associated with a process?

4 7085

What are the system calls used for process management:

5 14237

what does a process mean?

Infosys,

7 5732







Un-Answered Questions { Unix }

why unix commands simpler rather than complex task

2629


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.

996


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

187


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

1970


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

190


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

339


In detail elaborate the system? What is driver?

613


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

1233


Why does the sockets buffer fill up sooner than expected?

148


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

1501


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:

603


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

184


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?

173


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?

942


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.

2728