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• crontab - cron
• CRON
• CRON
• cron(8), crontab(1)
• Paul Vixie paul@vix.com
• COMMENTS

CRONTAB(5)                                                          CRONTAB(5)

crontab - cron

crontab
       cron(8)



        crontab
        crontab
        crontab UUCP  News  crontab cron su(1)



        # cron



       crontab
        cron :

           name = value

        (=) value
        () name

       value
        ( )

       value



           PATH = $HOME/bin:$PATH




       cron(8)

       SHELL  /bin/sh LOGNAME HOME  /etc/passwd  crontab PATH  "/usr/bin:/bin"
       HOME  SHELLPATH  crontab LOGNAME

       (LOGNAME  BSD  USER ...
        USER ) LOGNAME, HOME, SHELL cron(8) crontab MAILTO MAILTO ()

       MAILTO  (MAILTO="")

       MAILTO  crontab

       Debian GNU/Linux cron pam_env

       /etc/security/pam_env.conf

        PAM crontab

       "/usr/bin:/bin"  PATH
        crontab

       cron  "Content-Type:"
        "text/plain"  "charset=" crond(8)


       LC_*
        LC_*  ( locale(7) ) crontab
        CONTENT_TYPE  CONTENT_TRANSFER_ENCODING

        cron

       cron  V7

        5
        ('\n')
        crontab  (/etc/crontab)






        2  ()
        ()

       cron(8)

       cron(8)
        cron



              ---------- --------------
                       0-59
                       0-23
                   1-31
                       1-12 ()
                     0-7 (0  7 )

        (*)
        ``first-last''


        8-11 8, 9, 10, 11

        () ``1,2,5,9'', ``0-4,8-12''


        ``/<number>''

        ``0-23/2''
        2 (V7  ``0,2,4,6,8,10,12,14,16,18,20,22'') 2 ``*/2''


       3 ()


        6 ()
        ( % )  /bin/sh ( crontab  SHELL )

        (%)
        (\)
        %

        "\" crontab

       :  2  --

        (* )

       ``30 4 1,15 * 5''
        1  15
        4:30

        5 8  1 :


              ------         ----
              @reboot
              @yearly         ("0 0 1 1 *" )
              @annually      (@yearly )
              @monthly        ("0 0 1 * *" )
              @weekly         ("0 0 * * 0" )
              @daily          ("0 0 * * *" )
              @midnight      (@daily )
              @hourly         ("0 * * * *" )

CRON

       #  /bin/sh  /bin/bash
       SHELL=/bin/bash
       # ( crontab )  `paul'
       MAILTO=paul
       #
       #  5
       5 0 * * *       $HOME/bin/daily.job >> $HOME/tmp/out 2>&1
       #  2:15pm  --  paul
       15 14 1 * *     $HOME/bin/monthly
       #  10
       0 22 * * 1-5    mail -s "10" joe%%%?%
       23 0-23/2 * * * echo " 0,2,4.. 23 "
       5 4 * * sun     echo " 4  5 "

CRON

        CRON /etc/crontab
       # /etc/crontab:  crontab
       #  crontab
       #  `crontab'
       #  crontab
       #

       SHELL=/bin/sh
       PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

       # m h dom mon dow user    command
       42 6 * * *        root    run-parts --report /etc/cron.daily
       47 6 * * 7        root    run-parts --report /etc/cron.weekly
       52 6 1 * *        root    run-parts --report /etc/cron.monthly
       #
       # anacron  /etc/cron.d
       #

cron(8), crontab(1)

 0  7
       BSD  ATT


       ATT  BSD  cron  "1-3,7-9"  -- "1-3" "7,8,9"

        "1-9/2"  "1,3,5,7,9"



        crontab BSD  ATT  /etc/rc

        crontab  (BSD )
        crontab  (SysV )

        (SysV )

        5  `@'

Paul Vixie <paul [AT] vix.com>

4th Berkeley Distribution       24 January 1994                     CRONTAB(5)

COMMENTS

1

I think this man page needs updating.  It doesn't mention MAILTO can be used with multiple recipients by separating the email addresses with commas - as described in the debian & freebsd man pages.

- Chris

2009-10-16 11:58:14

Chris

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