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 33379

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 9053

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

Accenture,

1 8218

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

Accenture,

2 13016

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

Accenture,

1 10308

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 5269

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

IBM,

12 23553

What is the number of the masked code ee@?

Accenture, Amazon, Amdocs,

2 33105

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

Wipro,

1 11955

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

Polaris,

11 21569

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 28652

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

2 7107

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

IBM,

4 36933

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

IBM,

12 24978

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

IBM,

5 13897

Un-Answered Questions { Unix }

How do I grep multiple patterns in unix?

1031

Define a single-user system.

965

What are the features of unix?

963

What does cp mean in unix?

871

What is unix and why is it important?

958

Which command is used to find whether the system is 32 bit or 64 bit?

1159

How to know the ip address of user system?

941

Is a socket a file?

870

Is it inbetween or in between?

1072

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

1170

How would you kill a process?

1037

What are the main features of unix operating system?

974

What is used to type command?

1067

What is awk good for?

1151

What are conditions on which deadlock can occur while swapping the processes?

1135

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