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Unix Interview Questions
Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

 12 31013

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

TCS,

3 8356

What is RC (return code)? What is useful for? Which are the common values?

Accenture,

1 7659

What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?

Accenture,

2 12245

What is a "parameter card" and what is useful for?

Accenture,

1 9630

Suppose you have a scheduling chain where the process 1 is a predecessor of the process 2 and both of them are scheduled every Monday at 8.00pm. Will I find execution log of process 1 every Tuesday morning? And what about the other one? Why?

Accenture, IBM,

1 4749

How i'll delete a particular line from the file? Please give answer as soon as possible. Thanks in advance.

IBM,

12 21515

What is the number of the masked code ee@?

Accenture, Amazon, Amdocs,

2 32401

What is difference between SSH V1 and SSH V2? What are drawbacks of SSH V2?

Wipro,

1 11381

How to display a file name which has zero bytes in size.

Polaris,

11 19605

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 27294

What are the general Commands in using Unix OS for a beginner? how many commands you know in that?

 2 6426

what is the difference between SED and GREP ? Which one is more better and why?

IBM,

4 35983

how to find the 51th record of a file containing 100 records in unix.

IBM,

12 22793

how to use grep command to list find the records of a file containg 10 different strings

IBM,

5 12773

Un-Answered Questions { Unix }

How do I clear my terminal history?

812

What is the use of find command in unix?

776

What is the core of unix operating system?

723

What is unix portability?

714

What does the metacharacter mean?

813

Is windows a unix operating system?

760

What is the difference between command and utility in unix?

650

What is ‘ps’ command for?

869

How to remove files in unix?

778

How do I use nslookup?

779

Why is unix better than windows?

679

How old is unix?

678

What is unix command?

889

Write a script that prints out date information in this order: time, the day of week, day number, month, year(sample output: 17:34:51 pdt sun 12 feb 2012)

962

Is unix a kernel or os?

703

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