Explain the following statement, “it is not advisable to use root as the default login.”
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Who owns the unix trademark today?
Explain Sticky bit?
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 is a directory?
Describe file systems in unix?
Why kernel is known as the heart of unix os?
Why was unix invented?
How to move files from one directory to other in unix?
What is regular file in unix?
Why is unix better than windows?
What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?
What is dot profile in unix?