What is crontrigger in salesforce ??

Hi Ayush ,

Cron Trigger is a object in salesforce which contains information of a schedule jobs, It holds the Cron Expression, NextFire Time, LastFire Time, Start Time ,End Time ,status etc .

For more info Check out this Link:

https://www.salesforce.com/developer/docs/api/Content/sforce_api_objects_crontrigger.htm