関連ワード:  dev null 2 &1    dev null 2 &1 meaning    dev null 2    /dev/null 2 &1 crontab    dev null 2 &1 meaning in shell script    dev null 2 &1 example    /dev/null 2 &1 meaning in linux    dev null 2 &1 ambiguous output redirect    dev null 2 &1 not working    dev null 2 &1 permission denied  
結果 : dev null 2 &1 meaning in shell script