What does operator '1>>' means in cron?



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In Laravel Task Scheduling, it's advised to put this cron code into server's cron:



* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1



But in the accepted answer, he used this:



php /path/to/artisan schedule:run 1>> /dev/null 2>&1



I know that /dev/null 2>&1 means cron output won't be emailed to the user, and this answer explains about >> :




(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)




What I don't yet understand is the 1 in 1>>. What is its effect?










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    0















    In Laravel Task Scheduling, it's advised to put this cron code into server's cron:



    * * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1



    But in the accepted answer, he used this:



    php /path/to/artisan schedule:run 1>> /dev/null 2>&1



    I know that /dev/null 2>&1 means cron output won't be emailed to the user, and this answer explains about >> :




    (The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)




    What I don't yet understand is the 1 in 1>>. What is its effect?










    share|improve this question
























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      0






      In Laravel Task Scheduling, it's advised to put this cron code into server's cron:



      * * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1



      But in the accepted answer, he used this:



      php /path/to/artisan schedule:run 1>> /dev/null 2>&1



      I know that /dev/null 2>&1 means cron output won't be emailed to the user, and this answer explains about >> :




      (The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)




      What I don't yet understand is the 1 in 1>>. What is its effect?










      share|improve this question














      In Laravel Task Scheduling, it's advised to put this cron code into server's cron:



      * * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1



      But in the accepted answer, he used this:



      php /path/to/artisan schedule:run 1>> /dev/null 2>&1



      I know that /dev/null 2>&1 means cron output won't be emailed to the user, and this answer explains about >> :




      (The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)




      What I don't yet understand is the 1 in 1>>. What is its effect?







      cron






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      asked Nov 15 '18 at 11:18









      Hilman FaizHilman Faiz

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