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--- crontab.5.orig 2004-02-19 20:40:04.954132624 +0000
+++ crontab.5 2004-02-19 20:45:27.033169168 +0000
@@ -153,6 +153,32 @@
``30 4 1,15 * 5''
would cause a command to be run at 4:30 am on the 1st and 15th of each
month, plus every Friday.
+.PP
+Instead of the first five fields, one of eight special strings may
+appear:
+.IP
+.ta 1.5i
+string meaning
+.br
+------ -------
+.br
+@reboot Run once, at startup.
+.br
+@yearly Run once a year, "0 0 1 1 *".
+.br
+@annually (same as @yearly)
+.br
+@monthly Run once a month, "0 0 1 * *".
+.br
+@weekly Run once a week, "0 0 * * 0".
+.br
+@daily Run once a day, "0 0 * * *".
+.br
+@midnight (same as @daily)
+.br
+@hourly Run once an hour, "0 * * * *".
+.br
+.fi
.SH EXAMPLE CRON FILE
.nf
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