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

Unix Interview Questions

Questions Answers Views Company eMail

What are raw sockets?

Axis Technologies,

4 14777

What command is used to execute system calls from exe?

Axis Technologies,

3 12081

What command is used to replace the existing string with some other?

TCS,

8 23199

What are Profilers?

Axis Technologies,

1 7882

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

6 53143

What Command is used to make a directory?

IBM,

4 11320

Give Command that will move a single file called "unix.txt"

IBM,

7 14475

Give command that will make the file "run.sh" executable?

IBM,

10 21561

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 12286

How does a user get the current date, time in UNIX?

IBM,

6 18018

What Command will remove a Directory in UNIX?

IBM,

8 21283

How does the user view the contents of a text file in UNIX?

IBM,

9 14784

What command will bring user back to their home directory in UNIX?

IBM, Wipro,

13 24087

What command a user use to view a long text file one page at a time in UNIX?

IBM,

8 18011

What command would users use to see what file one page at a time in UNIX?

IBM,

7 14594

Un-Answered Questions { Unix }

What is protection boundary?

1031

What is unix structure?

895

Who wrote grep?

1013

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1335

How to compare two text files in unix?

935

What is merge command in unix?

1442

i am prepairing for 2+ yrs exp in oracle/unix production support,can u tell me which type issue comes in server plz help

7025

What is disk block allocation in unix?

884

Explain what is critical section?

919

How do I show hidden files in unix?

860

What is inode in unix operating system?

884

How do I find a pattern in unix?

895

Which is the most commonly used replacement algorithm?

1172

What is the comma to display different lines that are found when compare two files?

1083

Explain the unmount system calls?

894

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