Why is wtmp so big? - here's a fix

[Stu Heiss]

I have the following two lines in my daily cron script to trim wtmp...
# truncate wtmp
(/bin/dd if=/etc/wtmp of=/tmp/wtmp$$ bs=36 count=1 && cp /tmp/wtmp$$ /etc/wtmp && /bin/rm /tmp/wtmp$$) >/dev/null 2>&1
-- 
Stu Heiss - gargoyle.uchicago.edu!jpusa1.uucp!stu, stu at jpusa1.chi.il.us