Unix Interview Questions
Questions Answers Views Company eMail

how will you login one server's shell prompt to an another server?

Perot Systems, Cosmic Infotech,

5 5305

how will you convert a general file to a hidden file?

4 6973

hi i have directories within the directory. Now i want to copy the directory along with all directories included in it to one location by using copy command? what is the command

ACS, Span Systems,

2 5028




What is the different between UNIX command and UNIX shell script?

2 3460

to list a particular line in the file

5 4067

what is the cmd to display the last exit status in UNIX?

Syntel, MEIT,

5 7719

what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......

5 5767

What is an Unix command to convert HEX value to ASCII value located in any flat file.

2 7386

How can i know my Filesystem and its current usage in my prod UNIX system?

IBM, HCL,

4 8803

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

1278

Interviewer: Lets say there is a partition of 100GB. When i tried to create a file using touch command, under any directory, it was unable to create the file- '100% full disk space'. I calculated the size of each and every directory on that partition mannually by adding each file size & in came out to be total size 50GB. Then where is the remaining 50GB ? why it is showing disk space 100% full in 'df -h' command?

Infosys,

2 5031

A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me

CTS,

7 7891

What is the difference between pipe and xargs?

CTS, Amazon,

2 9765

How to find the files that are accessed before 10 minutes?

Amazon,

4 8920

By using which command we can find the CPU utilization time?

Amazon,

7 9075







Un-Answered Questions { Unix }

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

454


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

261


What is the procedure to configure MC/SG Cluster services in HP-UX 11i v3 OS Environment?

4044


what is output mkvg pvname

578


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

1278


How can I set the timeout for the connect() system call?

302


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.

3008


Why does the sockets buffer fill up sooner than expected?

250


What is ant_build.sh? Have u seen that file?

911


If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

1636


Why does it take so long to detect that the peer died?

403


why unix commands simpler rather than complex task

2860


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

1612


how to kernel protected memory?

1127


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

944