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?

947

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

1243

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

1427

What is piping?

944

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

1005

What is the difference between cat command and more command?

1211

Which command is used to restrict incoming messages?

1111

Which command is used to kill the last background job?

1337

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

1232

How to log out in unix?

1013

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

863

How to know the present working directory in unix?

1 3115

How to make a new directory in unix?

1038

How to change the password in unix operating system?

946

What are the devices represented in unix?

951

Un-Answered Questions { Unix }

How to create files in unix?

965

Explain the advantage of executing a process in background?

935

Is unix a programming language?

988

How many root directories exist in unix?

1014

What is s and g in sed command?

1120

What are the main features of unix operating system?

963

How do I use TCP_NODELAY?

1557

i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!

13374

What is necessary before running a shell script from the terminal?

969

Explain the method of changing file access permission?

963

What's the difference between impact sockets and regular sockets?

864

Tell me when should we use thread-safe "_r" library calls?

891

What are three main elements of unix operating system?

854

Explain command to show the space allocation of files?

1127

What does pipe do in unix?

970

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