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 4958

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

4 6592

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 4798




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

2 3206

to list a particular line in the file

5 3813

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

Syntel, MEIT,

5 7307

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

5 5473

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

2 6889

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

IBM, HCL,

4 8269

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

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 4731

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

CTS,

7 7291

What is the difference between pipe and xargs?

CTS, Amazon,

2 8272

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

Amazon,

4 8202

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

Amazon,

7 8425







Un-Answered Questions { Unix }

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

1250


why unix commands simpler rather than complex task

2649


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

1536


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

1517


How do I convert a string into an internet address?

119


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

176


I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo

1982


. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

1221


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

839


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

146


How can I write a multi-homed server?

421


Why does the sockets buffer fill up sooner than expected?

172


i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!

8071


hw will u use awk in replacing cahrs and files

1557


What is the difference between SO_REUSEADDR and SO_REUSEPORT?

209