Unix Interview Questions
Questions Answers Views Company eMail

In this command sqlplus -s username/password what is -S and what's the use..???

TCS,

1 3318

In this command sqlplus -s username/password what is -S and what's the use..???

IIIP, TCS,

1 5096

What is output of the following?

ABC,

1 4092

Pipes support half duplex communication. But if we want full-duplex communications we should use two pipes between two processes. Is such situation can leads to deadlock? Write two scenarios that could leads to deadlock in such situations?

Vector India,

1 4101

Why does the server parent need to close the connected socket returns from accept in a concurrent TCP server? What may happen if it does not do so?

1 2948

Consider a TCP echo client which blocks on fgets which read input from standard input. If now the corresponding server process crashes, what will client TCP kernel receive? Can the client process receive that? Why or why not? How you solve the above problem?

1 3455

What will happens when we don't call of bind()and listen() in a normal echo server ? Q.33 (b). What are the purposes of the three file descriptors on which the syslogd daemon listens and does I/O multiplexing?

1 3610

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.

1 4329

How to add content of one file into another file at the beginning

12 14636

how to check a file system type

Wipro,

7 12305

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!

Sapient,

12687

How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks

Polaris, Tech Mahindra,

6 10649

What does mkdir up2date; touch outdated up2date do?

2 5676

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

Crimson Logic,

6630

how can we create the script in crontab at mid night on sunday,satuarday,fiday 0n monyh october,november,january? please give me answer if anybody knows ? because on important purpose.

2 4130


Un-Answered Questions { Unix }

Is unix more secure than windows?

451


How to get the last word from a line in Unix file?

537


Is a directory unix?

464


What is unix inode?

479


How to use grep command to list find the records of a file containing 10 different strings?

638






Is unix free to use?

499


How to change the password in unix operating system?

483


Why do I get EPROTO from read()?

999


How to protect a process from others to kill?

525


What is inode in unix operating system?

499


What are the unix commands?

539


How do I find a pattern in unix?

490


What is the first character of the output in ls l command?

625


What is unix explain its architecture?

569


How do I search for text in vi?

574