Null: Difference between revisions
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The null device is located in /dev/null usually and discards any data written to it. It's sort of a black hole that eats everything that comes close to it. | The null device is located in /dev/null usually and discards any data written to it. It's sort of a black hole that eats everything that comes close to it. Unwanted output in shells can be redirected to /dev/null: | ||
In case of a crontab entry output can be discarded causing no mails to be sent: | |||
*/5 * * * * /usr/local/bin/fetchmail > /dev/null 2>&1 | |||
Revision as of 03:21, 6 October 2005
The null device is located in /dev/null usually and discards any data written to it. It's sort of a black hole that eats everything that comes close to it. Unwanted output in shells can be redirected to /dev/null:
In case of a crontab entry output can be discarded causing no mails to be sent: */5 * * * * /usr/local/bin/fetchmail > /dev/null 2>&1
