Easy Crontab Editing with Corntab

“Never memorize what you can look up. This is one of the
essential rules of system administration, and it applies very well
to creating crontab entries. If you’re not an expert on cron, don’t
worry — just use the Corntab site or iPhone app.

“Generally speaking, cron syntax is not hard to remember. You
have five fields to specify the minute, hour, day of the month,
month of the year, and/or day of the week that you want to run a
job automatically. It seems straightforward, but plenty of users
and admins get it wrong — not because it’s really difficult, but
just because it’s not something they do often enough to memorize
the correct syntax for oddball times.”

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