Unix Interview Questions
Questions Answers Views Company eMail

What are raw sockets?

Axis Technologies,

4 9988

What command is used to execute system calls from exe?

Axis Technologies,

3 7274

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

TCS,

8 10733




What are Profilers?

Axis Technologies,

1 4910

How to connect oracle database from unix

IBM, Wirecard,

5 40680

What Command is used to make a directory?

IBM,

4 5089

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

IBM,

6 6433

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

IBM,

10 10870

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

Alcatel, IBM,

3 6244

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

IBM,

6 10044

What Command will remove a Directory in UNIX?

IBM,

8 11921

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

IBM,

8 6708

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

Wipro, IBM,

13 10735

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

IBM,

8 9819

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

IBM,

7 7596







Un-Answered Questions { Unix }

How can I tell when a socket is closed on the other end?

146


What are the pros/cons of select(), non-blocking I/O and SIGIO?

189


what is the advaantage of each user having its own copy of the shell?

856


what is difference between milestone and run-levels in Solaris ?

1517


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

1158


I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.

1008


Why does the sockets buffer fill up sooner than expected?

172


How do I use TCP_NODELAY?

148


Explain how and when a DNS request is solved when a user tries to surf to the site www.abcdeg.in .Assume the user machine uses a local name server and sits on another network other than www.abcdef.in.

2760


What is the difference between read() and recv()?

389


"ls" command is showing all the subdirectoary and files which are present in the current directoary, i want to cut only directoary name. How to cut only name ?

1426


what is output mkvg pvname

428


what is the time for incident, problem and change management tickets?

1250


Whats the difference between select() and poll()?

176


What are the events done by the Kernel after a process is being swapped out from the main memory?

839