Unix Tip #4557- September 2, 2013


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NULL IT FAST


Here is the fastest way to truncate a file to zero
bytes in a bourne or korn shell.

$ > /var/log/messages

This is a good method, if the file has to be truncated,
but is opened by another process. For example, if you
want to truncate /var/log/messages, which is held
open by syslogd...

This tip generously supported by: ulli@ucrc.org

NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted by various unix admins around the globe. UGU suggest you read and test each tip in a non-volitile environment before placing into production.


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