PPPPAAAATTTTHHHH((((====////uuuussssrrrr////ssssbbbbiiiinnnn::::////uuuussssrrrr////bbbbssssdddd////::::////uuuussssrrrr////bbbbiiiinnnn::::////bbbbiiiinnnn////::::////eeeettttcccc::::////uuuussssrrrr////eeeettttcccc)))),,,, and TTTTZZZZ.
If you do not redirect the standard output and standard error of your
commands, any generated output or errors will be mailed to you.
Any errors encountered while parsing the crontab file (or stdin) will
cause _c_r_o_n_t_a_b to abort with no changes being made to any existing
crontab.
FFFFIIIILLLLEEEESSSS
/etc/cron.d main cron directory
/var/spool/cron/crontabs spool area
/var/cron/log accounting information
/etc/cron.d/cron.allow optional list of allowed users
/etc/cron.d/cron.deny list of denied users
/etc/cron.d/FIFO to communicate crontab changes to _c_r_o_n
SSSSEEEEEEEE AAAALLLLSSSSOOOO
sh(1), cron(1M)
NNNNOOOOTTTTEEEESSSS
If you inadvertently enter the ccccrrrroooonnnnttttaaaabbbb command with no argument(s), you
may exit without overwriting the existing crontab entry either by
generating an interrupt (typically by typing ^C or DEL), or by providing
empty input (typically by typing ^D on the first empty line).
If a job is scheduled during the 'witching hour' - the time during a
change from the main to alternate time zone, the job will either be run
once (if the actual time exists twice) or not at all (if the actual time