1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second specific time to execute the job. like 10 10 * * * sleep 40&&ps -l>/dev/pts/1 It will execute at 10:10:40 AM but do not know how to execute 15 second,30 second so on at 10:10 am.

3 Answers   Qwest,

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

2 Answers   Accenture,

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How to remove the directory in unix?

0 Answers  

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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?

2 Answers   Infosys,

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Why is it that it is not advisable to use root as the default login?

0 Answers  

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Explain how do you create special files like named pipes and device files?

0 Answers  

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Give a brief idea about representation of devices in unix.

0 Answers  

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How do I show only directories in unix?

0 Answers  

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Explain about shell aritmetic operators and functions?

0 Answers   HCL,

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What is the property of unix?

0 Answers  

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What are conditions for a machine to support Demand Paging?

0 Answers  

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What is unix structure?

0 Answers  

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