Unix Interview Questions
Questions Answers Views Company eMail

What are raw sockets?

Axis Technologies,

4 11031

What command is used to execute system calls from exe?

Axis Technologies,

3 8167

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


8 13866

What are Profilers?

Axis Technologies,

1 5861

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

5 45412

What Command is used to make a directory?


4 6678

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


6 8240

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


10 13087

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

Alcatel, IBM,

3 7752

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


6 11739

What Command will remove a Directory in UNIX?


8 13912

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


9 8301

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

IBM, Wipro,

13 13055

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


8 11377

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


7 9089

Un-Answered Questions { Unix }

what is output mkvg pvname


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?


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:


i am prepairing for 2+ yrs exp in oracle/unix production support,can u tell me which type issue comes in server plz help


hw will u use awk in replacing cahrs and files


How do I use TCP_NODELAY?


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?


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


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


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.


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


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


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


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!


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