1)How to schedule a job,that will periodically execute in second by crontab? 2

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 / mahendraswain

3 Answers
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1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second ..

Answer / damodar

You cannot schedule a every-second cronjob. Because in cron
the minimum unit you can specify is minute. In a typical
scenario, there is no reason for most of us to run any job
every second in the system

Is This Answer Correct ?

4 Yes

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1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second ..

Answer / 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

Is This Answer Correct ?

2 Yes

1 No

1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second ..

Answer / santosh sathe

The only possible option is to write a script to execute
after every second in a minute.
cron will execute the script after every minute and the
script will start to execute the same after every second.

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