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I have a crontab job set for every 30 minutes and I have it so that the output is redirected to the command line. My problem is that this output is interrupting whatever it is that I have on the screen at the moment, text or other program.

Can anyone suggest how to prevent this?

For the record its a Ubuntu server 13.04.

(Current crontab line)

*/30 * * * * /usr/bin/acpi > /dev/pts/0
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