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

Unix Interview Questions

Questions Answers Views Company eMail

What is a superuser?

994

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

1295

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

1482

What is piping?

984

Why is it that it is not advisable to use root as the default login?

1030

What is the difference between cat command and more command?

1261

Which command is used to restrict incoming messages?

1145

Which command is used to kill the last background job?

1388

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

1281

How to log out in unix?

1048

How to copy files from one directory to other in unix?

902

How to know the present working directory in unix?

1 3181

How to make a new directory in unix?

1098

How to change the password in unix operating system?

999

What are the devices represented in unix?

996

Un-Answered Questions { Unix }

What are the pros/cons of select(), non-blocking I/O and SIGIO?

1405

What is unix ipc?

1066

How old is unix?

972

Are sockets files?

923

What is sae socket?

881

What is grep|sort give example?

942

Which unix shell is best?

1024

Give a brief idea about representation of devices in unix.

1030

What do you understand by unix shell?

1061

What is a regular file in unix?

1039

What is alias mechanism? Explain.

1037

The syntax of command statement in UNIX

What is tilde unix?

1082

How to print/display the first line of a file in Unix?

1046

How many socket connections can a server handle?

897

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