Linux - Resumen de crontab

Listar las entradas de crontab:
sudo crontab -l

Editar las entradas de crontab:
sudo crontab -e

Formato:

* * * * * /bin/myscript.sh
1. minute (from 0 to 59)
2. hour (from 0 to 23)
3. day of month (from 1 to 31)
4. month (from 1 to 12)
5. day of week (from 0 to 6) (0=Sunday)  

Ejemplos:

*Ejecutar algo cada minuto:

* * * * * /bin/myscript.sh

1.every minute
2.every hour
3.every day of the month
4.every month
5.every day in the week
Nota: * --> every


*Ejecutar cada viernes a las 02:00h:

0 2 * * 5 /bin/myscript.sh

1.minute: 0
2.hour: 2
3.day: * (every day of month)
4.month: * (every month)
5.weekday: 5 (=Friday)

*Ejecutar de Lunes a Viernes a las 02:00h:

0 2 * * 1-5 /bin/myscript.sh
1.minute: 0
2.hour: 2
3.day: * (every day of month)
4.month: * (every month)
5.weekday: 1-5 (=Monday till Friday)

*Ejecutar pasados diez minutos de cada hora, el primer dia de cada mes:

10 * 1 * * /bin/myscript.sh

*Ejecutar cada 10 minutos:

0,10,20,30,40,50 * * * * /bin/myscript.sh

Almacenar la salida

 */10 * * * * /bin/myscript.sh 2>&1 >> /var/log/myscript_output.log

30 12 * * * /u01/app/oracle/bin/rman_backup.pl > /u01/app/oracle/log/rman_backup_$(date +\%Y\%m\%d_\%H:\%M:\%S\%z).log 2>&1