[xubuntu] need help from CronTab expert

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http://ubuntuforums.org – hi everybody, I am trying to learn about the crontab command and I can't find out how to do something, and I have looked everywhere on the web. Sometimes I set my background pics to cycle from a list using a refresh command by setting crontab ( I know there are programs that do this, I haven't been able to find one that works with xubuntu, so I want to use crontab ) here is what I did using this command : "EDITOR=gedit crontab -e" Code: */12 * * * * DISPLAY=:0.0 xfdesktop --reload > /dev/null 2>&1 so that I could refresh my desktop background from a list eve (Hardware)