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

Unix Interview Questions

Questions Answers Views Company eMail

How to get the nth word of a line in Unix?

989

How to remove the last line/trailer from a file in Unix script?

975

How to remove certain lines from a file in Unix?

955

How to get the last word from a line in Unix file?

915

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

997

How to reverse a string in Unix?

991

How to remove the first line/header from a file in Unix?

1023

Explain different types of Unix systems.

904

How to display n-th line of a file in Unix?

961

What is ‘ps’ command for?

1146

What is the significance of the 'tee' command?

1149

What does the command ' $who | sort –logfile > newfile' do?

1245

What does the command '$ls | wc –l > file1' do?

1186

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1270

Explain the steps that a shell follows while processing a command.

1182

Un-Answered Questions { Unix }

What does pipe () return?

1035

How do you repeat a command in terminal?

1165

Which unix shell is best?

922

What are the criteria for choosing a process for swapping out of the memory to the swap device?

956

What does cd mean in unix?

867

What is unix buffer cache?

939

Please explain fork() system call?

937

Which unix command to make a new directory?

1075

How can you count the number of characters and lines in a file?

952

In what way the Fault Handlers and the Interrupt handlers are different?

927

What is wild-card interpretation?

1006

How do I run a .sh file in unix?

871

I am new to Unix and Unix Shell scripting could you guide me on how to go about these subjects and where to start from with concern to Oracle?. I also would like to know where does UNIX shell Scripting help in terms of development of a application in Oracle? I have no clue in the subject so do help me. Thank You Neelima

2699

Why do we need sockets?

773

What are the essential features of the unix operating system?

885

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