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 get the port number for a given service?

1 2647

How do I properly close a socket?

1 2759

What is the difference between close() and shutdown()?

1 2841

Explain the TIME_WAIT state.

1 2627

How can I put a timeout on connect()?

1 2525

Why does the sockets buffer fill up sooner than expected?

1382

How often should I re-transmit un-acknowleged messages?

1 2108

of the socket? Does doing a connect() call affect the receive behaviour?

1 2279

When should I use UDP instead of TCP?

1 2280

How can I read only one character at a time?

1 2319

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1838

How do I get my server to find out the clients address / host- name?

1 2168

What exactly does SO_KEEPALIVE do?

1 2126

What exactly does SO_REUSEADDR do?

1 2331

How come I get address already in use from bind()?

1 2177

Un-Answered Questions { Unix }

What is the command to view process running?

1153

Discuss the mount and unmount system calls ?

1108

Is it possible to see information about a process while it is being executed?

1295

What is meant by the term super user?

913

What is i-node numbers?

1213

What is delayed write in unix?

977

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

1192

What is a deep well socket?

973

Describe the term directory?

1517

What is ln(linking)?

1081

How does a socket work?

913

How can you get/set an environment variable from a program?

1010

How do I get to my home directory in unix?

997

What is the architecture of unix operating system?

970

Why is grep called grep?

1355

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