cron linux job schedule crontab
command
$ crontab -u username -e
how about 5 minutes later do a one time command:
sleep 5m; play my-music.mp3
In the editor you will see some thing like:
1 2 3 4 5 /path/and/command arg1 arg2
Where,
1: Minute (0-59)
2: Hours (0-23)
3: Day (0-31)
4: Month (0-12 12 == December)
5: Day of the week(0-7 7 or 0 == sunday)
wildcards/asterisks means: any
* * * * command to be executed
- - - -
| | | | |
| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
| | | ------- Month (1 - 12)
| | --------- Day of month (1 - 31)
| ----------- Hour (0 - 23)
------------- Minute (0 - 59)
referrences
man crontab
info crontab
google crontab linux
Vivek Gite on April 16, 2006:
http://www.cyberciti.biz/faq/how-do-i...