Unix Interview Questions
Questions Answers Views Company eMail

how will you login one server's shell prompt to an another server?

Perot Systems, Cosmic Infotech,

5 4896

how will you convert a general file to a hidden file?

4 6520

hi i have directories within the directory. Now i want to copy the directory along with all directories included in it to one location by using copy command? what is the command

ACS, Span Systems,

2 4740




What is the different between UNIX command and UNIX shell script?

2 3149

to list a particular line in the file

5 3743

what is the cmd to display the last exit status in UNIX?

Syntel, MEIT,

5 7239

what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......

5 5427

What is an Unix command to convert HEX value to ASCII value located in any flat file.

2 6822

How can i know my Filesystem and its current usage in my prod UNIX system?

IBM, HCL,

4 8172

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

1141

Interviewer: Lets say there is a partition of 100GB. When i tried to create a file using touch command, under any directory, it was unable to create the file- '100% full disk space'. I calculated the size of each and every directory on that partition mannually by adding each file size & in came out to be total size 50GB. Then where is the remaining 50GB ? why it is showing disk space 100% full in 'df -h' command?

Infosys,

2 4683

A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me

CTS,

7 7193

What is the difference between pipe and xargs?

CTS, Amazon,

2 8149

How to find the files that are accessed before 10 minutes?

Amazon,

4 8102

By using which command we can find the CPU utilization time?

Amazon,

7 8340







Un-Answered Questions { Unix }

In detail elaborate the system? What is driver?

613


Why does the sockets buffer fill up sooner than expected?

147


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


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

1141


How do I use TCP_NODELAY?

122


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

187


how to kernel protected memory?

1006


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:

602


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!

7896


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

164


If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

1523


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

1230


why unix commands simpler rather than complex task

2629


How can I tell when a socket is closed on the other end?

135


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

750