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?

1600

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

2014

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

1 2236

When will my application receive SIGPIPE?

1 2362

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

1 2638

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

1 2693

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

1662

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 2478

Why do not my sockets close?

1 2463

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

1 2476

What exactly does SO_LINGER do?

1 2449

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

1 2464

How should I choose a port number for my server?

1 2501

How can I write a multi-homed server?

1684

What is the difference between connected and unconnected sockets?

1 3413

Un-Answered Questions { Unix }

What are special characters in unix?

929

What is {} in find command?

1154

Tell me set-user-id is related to (in unix)?

961

Explain c program to implement the unix or linux command to implement ls -l >output.txt?

863

What is page fault? Its types?

986

How to null a file in unix?

1216

Is a form of interprocess communication in unix?

1010

What are the four components of the unix file system?

961

What is unix operating system explain various components of unix operating system?

966

What are pipes and filters in unix?

1259

Which ipc is the fastest in unix?

1048

How to remove certain lines from a file in Unix?

1030

How do I remove 30 days old files in unix?

944

What are the criteria for choosing a process for swapping into memory from the swap device?

1053

What is wild-card interpretation?

1091

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