On 2014.01.26 15:04, Steve Trapp wrote: > I have used cron in the past to run programs (I edit my "cron table" via > < crontab -e >). But, when I try to make cron launch an X-windows program, I > haven't had any luck. I suspect it might be environment variables, but I > still haven't had any luck. > > I use debian GNU/Linux, and the cron is "Vixie cron" written by Paul Vixie. > Unable to determine its version number. > > Any help would be appreciated. Thanks in advance. I have a script not working in the user crontab, but working in /etc/crontab (on FreeBSD, which also uses Vixie cron), so you could try that. I would be interested in knowing why, though.