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What is the difference between cron and anacron?

Answer»

Cron: It is a program in Linux that is used to execute TASKS at a scheduled time. It works EFFECTIVELY on machines that run continuously. 

Anacron: It is a program in Linux that is used to execute tasks at certain intervals. It works effectively on machines that are powered off in a day or week. 

CronAnacron 
It is a daemon.It is not a daemon. 
It can be scheduled by any normal user. It can only be used by super users.
It is considered ideal for SERVERS. It is considered ideal for desktops and laptops.
It expects the system to run 24*7It does not expect the system to run 24*7
Its minimum granularity is in MINUTES. Its minimum granularity is only in days
It is used to execute scheduled COMMANDS.It is used to execute commands periodically.


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