What are system variables in unix?
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Explain about shell aritmetic operators and functions?
Who developed unix operating system?
How do I show only directories in unix?
Is mac unix based?
Where is unix operating system used?
What is .profile unix?
Is unix an operating system?
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.
How is windows different from unix?
how to use grep command to list find the records of a file containg 10 different strings
Is learning unix useful?
What do you understand by the term wild-card interpretation?