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--- ubuntu:cron [2020/07/15 09:30] – external edit 127.0.0.1
+++ ubuntu:cron [2021/07/05 21:53] (current) – [Cron] peter
@@ Line 12: / Line 12: @@
 The jobs inside the crontab file are known as cron jobs, and consist of standard Linux commands.  They also contain the time-period when cron needs to execute them.
+<code bash>
+ ┌───────────── minute (0 - 59)
+ │ ┌───────────── hour (0 - 23)
+ │ │ ┌───────────── day of the month (1 - 31)
+ │ │ │ ┌───────────── month (1 - 12)
+ │ │ │ │ ┌───────────── day of the week (0 - 6) (Sunday to Saturday;
+ │ │ │ │ │                                   7 is also Sunday on some systems)
+ │ │ │ │ │
+ │ │ │ │ │
+ * * * * * <command to execute>
+</code>
 {{:ubuntu:crontab-structure.jpg?800|}}