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UGU: Unix Guru Universe - Unix Tip #4129- June 1, 2012
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Unix Tip #4129- June 1, 2012
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.
LAST 5 TIPS
4128
- SPLIT FILES FOR FLOPPIES
4127
- SEARCH AND EDIT IN ONE
4126
- SUSPEND YOURSELF
4125
- CLEANUP DOS FILES
4124
- MULTIPLE SYSTEM FILE UPDATES
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