Unix Interview Questions
Questions Answers Views Company eMail

What are raw sockets?

Axis Technologies,

4 10103

What command is used to execute system calls from exe?

Axis Technologies,

3 7359

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

TCS,

8 10936




What are Profilers?

Axis Technologies,

1 4968

How to connect oracle database from unix

IBM, Wirecard,

5 41059

What Command is used to make a directory?

IBM,

4 5218

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

IBM,

6 6596

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

IBM,

10 11095

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

Alcatel, IBM,

3 6349

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

IBM,

6 10206

What Command will remove a Directory in UNIX?

IBM,

8 12099

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

IBM,

9 6872

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

Wipro, IBM,

13 10947

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

IBM,

8 9946

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

IBM,

7 7736







Un-Answered Questions { Unix }

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

1996


What is the difference between SO_REUSEADDR and SO_REUSEPORT?

231


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

245


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

5400


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!

8235


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

427


. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

1231


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?

187


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

3773


What is ant_build.sh? Have u seen that file?

777


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

252


why metadb requires a seperate slice to create Solaris volume manager

1428


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:

630


How do I use TCP_NODELAY?

169


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

1531