Unix Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Interview Questions

Questions Answers Views Company eMail

How do I use TCP_NODELAY?

1512

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

1915

After the chroot(), calls to socket() are failing. Why?

1 2114

When will my application receive SIGPIPE?

1 2218

How can I find the full hostname (FQDN) of the system I am running on?

1 2484

How can my client work through a firewall/proxy server?

1 2549

system choose one for me on the connect() call? Should I bind() a port number in my client program, or let the?

1574

over the socket? Is there a way to have a dynamic buffer? What does one do when one does not know how much information is coming?

1 2363

Why do not my sockets close?

1 2314

How can I listen on more than one port at a time?

1 2317

What exactly does SO_LINGER do?

1 2273

How can I bind() to a port number < 1024?

1 2312

How should I choose a port number for my server?

1 2367

How can I write a multi-homed server?

1605

What is the difference between connected and unconnected sockets?

1 3276

Un-Answered Questions { Unix }

What do you understand by unix shell?

962

Enumerate some of the most commonly used network commands in unix?

1122

Is it possible to count number char, line in a file; if so, How?

1132

If we are terminated at the middle of the program execution in UNIX,what will happen to the program, it will continue running r terminate r the o/p will be send to your mail?

1372

How to get the n-th field from a Unix command output?

942

What are the different versions of unix?

962

What is the nmap command?

1142

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

3450

How old is unix?

870

Are you in or at the office?

1087

What is unix inode?

864

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

2887

What are states that the page can be in, after causing a page fault?

976

What command will change your prompt to myprompt?

1265

How does unix file system work?

954

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