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

Unix Interview Questions

Questions Answers Views Company eMail

what is the functionality of kernel in unix architecture?

12 32859

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 8908

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

Accenture,

1 8115

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

Accenture,

2 12887

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

Accenture,

1 10181

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 5176

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

IBM,

12 23116

What is the number of the masked code ee@?

Accenture, Amazon, Amdocs,

2 32959

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

Wipro,

1 11841

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

Polaris,

11 21131

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 28350

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

2 6960

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

IBM,

4 36743

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

IBM,

12 24465

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

IBM,

5 13656

Un-Answered Questions { Unix }

What is unix in simple terms?

874

Differentiate cat command from more command.

1093

What does unix like mean?

875

What are unix options?

862

What is the use of egrep command in unix?

1135

what is output mkvg pvname

2146

Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

2565

Which unix shell is best?

922

What is the use of awk command in unix?

1079

What is a deep well socket?

879

Explain about Inodes?

1077

Explain c program to implement the unix or linux command to implement ls -l >output.txt?

790

How many unix commands are there?

1111

What is the full form unix?

925

What do you mean by unix operating system?

854

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