[Linux] Linux practical operation --- scheduled task scheduling

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1. Basic overview

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2. Schematic diagram of principle

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Three, basic grammar

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Four, parameter details

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Five, application cases

Case 1: Every 1 minute, append the current date information to the /tmp/mydate file

① Write a file first, /home/mytask1.sh

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② Give mytask1.sh an executable permission

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③ Edit crontab timing tasks

Edit crontab task

view task

*/1 * * * *   表示每隔一分钟执行一次

执行内容为：/home/mytask1.sh 中的内容

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④ Successfully executed

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Case 2: Every 1 minute, append the current date and calendar to the /home/mycal file

① Write a file first, /home/mytask2.sh

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② Give mytask2.sh an executable permission

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③ Edit crontab timing tasks

*/1 * * * *    代表每隔一分钟执行一次

执行内容为：/home/mytask.sh 中的内容

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④ Successfully executed

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