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?

1557

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

1970

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

1 2178

When will my application receive SIGPIPE?

1 2304

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

1 2570

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

1 2623

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

1610

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 2424

Why do not my sockets close?

1 2386

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

1 2399

What exactly does SO_LINGER do?

1 2363

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

1 2390

How should I choose a port number for my server?

1 2442

How can I write a multi-homed server?

1646

What is the difference between connected and unconnected sockets?

1 3342

Un-Answered Questions { Unix }

Define a process group.

922

What is .sh file?

1189

What is utility unix?

958

Who is founder of unix?

1079

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1409

Is unix a kernel?

930

Differentiate relative path from an absolute path?

911

Write a shell script that requests the user's age and then echoes it, along with some suitable comment.

1427

Where is the socket located?

895

Describe the concept of “region”.

943

What is grep short for?

1051

What is $path in unix?

978

How does unix pipe work?

969

Name the various commands that are used for the user information in unix.

1090

Is used to create ordinary files on any unix system?

962

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