Which file system is used in unix?
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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.
What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?
How to remove the directory in unix?
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?
Why is it that it is not advisable to use root as the default login?
Explain how do you create special files like named pipes and device files?
Give a brief idea about representation of devices in unix.
How do I show only directories in unix?
Explain about shell aritmetic operators and functions?
What is the property of unix?
What are conditions for a machine to support Demand Paging?
What is unix structure?