Step 01
List the cronjobs of the current user
crontab -l
Step 02
Edit the cronjobs of the current user
crontab -e
Step 03
Add a cronjob that writes the current time every minute
* * * * * date | tee --append /var/www/html/time.log
Step 04
What does * * * * * mean?
.---------------- minute (0 - 59)
| .------------- hour (0 - 23)
| | .---------- day of month (1 - 31)
| | | .------- month (1 - 12)
| | | | .---- day of week (0 - 7)
| | | | |
* * * * *
Step 05
Watch the cronjob log file
tail --follow /var/www/html/time.log