Unix Interview Questions
Questions Answers Views Company eMail

What are raw sockets?

Axis Technologies,

4 10501

What command is used to execute system calls from exe?

Axis Technologies,

3 7626

What command is used to replace the existing string with some other?


8 11825

What are Profilers?

Axis Technologies,

1 5284

How to connect oracle database from unix

IBM, Wirecard,

5 43124

What Command is used to make a directory?


4 5693

Give Command that will move a single file called "unix.txt"


6 7127

Give command that will make the file "run.sh" executable?


10 11748

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 6816

How does a user get the current date, time in UNIX?


6 10770

What Command will remove a Directory in UNIX?


8 12819

How does the user view the contents of a text file in UNIX?


9 7388

What command will bring user back to their home directory in UNIX?

Wipro, IBM,

13 11664

What command a user use to view a long text file one page at a time in UNIX?


8 10376

What command would users use to see what file one page at a time in UNIX?


7 8139

Un-Answered Questions { Unix }

In detail elaborate the system? What is driver?


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 is output mkvg pvname


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


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 unix commands simpler rather than complex task


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


i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!


how to kernel protected memory?


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?


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


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 do I get EPROTO from read()?


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


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