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additionally use "find /etc/cron*" for cronscripts
There are 3 alternatives - vote for the best!
If you can do better, submit your command here.
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Uhm, well, it's probably easier to type
cat /var/cron/tabs/*(or wherever the crontabs are located on your OS. The above path would work for vixie cron which is used on BSD systems. On Solaris use /var/spool/cron/crontabs/*.)
This will also include the crontabs of NIS users and other users that are not listed in /etc/passwd. Your command line would miss those.
xargs -i is sweet, never used that one before, thanks