crontab Reference/How To/Info/Guide
I can never actually remember the order and the number of parameters so here they are:
| minute | hour | day of month | month | day of week | command |
| 0 | 5 | * | * | * | ~/backup.sh |
The above example means, at 5:00AM every single day, run the ~/backup.sh command. Of course you can change the numbers to match what you intend to do.
Here is something you can paste into your crontab if you want to have a handy reference of what each parameter means:
#minute, hour, day of month, month, day of week, command
Make sure that you have the "#" at the beginning of the line which means it is a comment and that the contents won't try to be interpreted/executed, this will break your crontab entries.
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crontab, reference, info, guidei, parameters, sh, parameter, quot, contents, interpreted, executed, entries,