Cron job using bash script

cron-job.sh

### Cron job using bash script
```
#!/bin/sh
crontab -l > cron_backup
echo "0 10 * * * sudo /home/<user>/job.sh >/dev/null 2>&1" >> cron_backup
crontab cron_backup
rm cron_backup
```
Another version
```
#!/bin/bash
(crontab -l; echo "0 10 * * * /home/<user>/job.sh") | sort -u | crontab -
```
Ref - https://www.baeldung.com/linux/create-crontab-script