Unix Tip: NULL IT FAST

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UNIX HOT TIP

Unix Tip 3541 - October 20, 2015

http://www.ugu.com/sui/ugu/show?tip.today

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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


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