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==Introduction==
==Introduction==
'''Crontab''' is a list of commands that allows tasks (programs, scripts) to be run automatically at regular time intervals. For example, in RUT routers it is responsible for executing such services as Automatic Reboot functions, SIM Idle Protection, Scheduled SMS and others that function in a periodic manner.
'''Crontab''' is a list of commands that allows tasks (programs, scripts) to be run automatically at regular time intervals. For example, in RUTxxx routers it is responsible for executing such services as Automatic Reboot functions, SIM Idle Protection, Scheduled SMS and other functions and services that operate in a periodic manner.
The crontab can be opened for editing, adding, removing or modifying scheduled tasks. This article will provide an explanation of the crontab functionality principle and present some usage examples in hopes that it may help you configure your own crontab rules.
The crontab can be opened for editing, adding, removing or modifying scheduled tasks. This article will provide an explanation of the crontab functionality principle and present some usage examples in hopes that it may help you configure your own crontab rules.
==Crontab syntax and editing overview==
==Crontab syntax and editing overview==
This section of the guide overviews the syntax of crontab rules and editing environment choices.
===Editing environment===
===Editing environment===
