There need to be an enhancement in Unix to support this feature which is

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.

Question Posted / rhino

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Answer Posted / rhino

There need to be an enhancement in Unix to support this
feature which is not relavant

Cron job wakes up every minute and checks if there exists
any process in cron that requires to be executed , If yes
it executes the job and sleep again to wake up in the next
minute

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