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?

902

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

1188

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

1373

What is piping?

888

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

956

What is the difference between cat command and more command?

1128

Which command is used to restrict incoming messages?

1046

Which command is used to kill the last background job?

1292

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

1150

How to log out in unix?

964

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

806

How to know the present working directory in unix?

1 3020

How to make a new directory in unix?

957

How to change the password in unix operating system?

890

What are the devices represented in unix?

894

Un-Answered Questions { Unix }

What are the main features of unix?

1408

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1746

How to compare two text files in unix?

939

How does shebang work?

1021

What is a sae socket?

873

What are the main features of korn shell?

907

What is the difference between soft link and hard link in Unix operating system ?

989

What are three main elements of unix operating system?

794

What is the use of grep and egrep in unix?

878

How do you grep recursively?

1058

why unix commands simpler rather than complex task

4347

Explain what is the process id for kernel process?

948

What is the function of socket?

860

Explain how do we change file access permissions?

879

What is pipe command in unix?

1231

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