What is a directory?
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How can you kill a process in unix?
Explain what are the unix system calls for i/o?
Describe the term directory?
How to calculate the number of words in a file?
How do I grep recursively in unix?
Which mode executes the fault handler?
How do I show only directories in unix?
Can you explain the method of changing file access permission?
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.
Is unix still relevant?
What is regular file in unix?
Does windows use unix?