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 2574

How do I properly close a socket?

1 2679

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

1 2776

Explain the TIME_WAIT state.

1 2570

How can I put a timeout on connect()?

1 2466

Why does the sockets buffer fill up sooner than expected?

1344

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

1 2021

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

1 2216

When should I use UDP instead of TCP?

1 2205

How can I read only one character at a time?

1 2251

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1807

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

1 2108

What exactly does SO_KEEPALIVE do?

1 2057

What exactly does SO_REUSEADDR do?

1 2261

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

1 2121

Un-Answered Questions { Unix }

What is meant by u-area?

875

What are the advantages of unix?

1034

What do chown command do?

1196

What are some command words?

1141

Is unix more secure than windows?

860

Describe the usage and functionality of the command rm –r * in unix?

2105

explain about the initial process sequence while the system boots up?

1053

Is unix a kernel or os?

922

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1232

Where is unix used today?

897

What is the command to compare two files in unix?

1127

Describe the zip/unzip command using gzip.

1162

How do unix sockets work?

860

Why do we need unix shell scripting?

974

Describe the responsibilities of shell in brief.

892

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