• Each crontab entry contains six fields.

    每个crontab条目包含六个字段

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  • Run crontab -e.

    运行crontab- e

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  • Users manage crontabs using the crontab command.

    用户使用crontab命令管理crontab

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  • The ideal crontab would look like Listing 4.

    理想crontab类似于清单4所示。

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  • The scheduling information is in crontab format.

    这个计划任务信息使用crontab格式。

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  • Place this line in your crontab file, and save the file.

    一行放在crontab文件保存文件。

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  • The precise times that these jobs run are specified in /etc/crontab.

    运行这些作业精确时间 /etc/crontab指定

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  • Both /etc/crontab and /etc/anacrontab are updated by direct editing.

    etc/crontab /etc/anacrontab 都通过直接编辑进行更新

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  • Some dot files are rich enough to warrant a separate man page, such as crontab.

    有些文件内容丰富,足以占用一个单独手册比如 crontab

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  • On the offsite server invoke the crontab program with the edit (-e) option.

    离线服务器使用编辑选项(- e)调用crontab程序

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  • If many flows have this requirement, maintenance of the crontab becomes burdensome.

    如果很多具有这个需求crontab维护任务就会变得繁重起来

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  • See the man page for crontab (5) for details on additional ways to specify times.

    关于指定时间其他方式细节参见crontab(5)的手册

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  • To create a crontab, you use the crontab command with the -e (for "edit") option.

    使用crontab命令- e(表示“edit”)选项创建crontab

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  • A crontab line contains two main sections, a time schedule section followed by a command section.

    一个crontab包括两个主要部分,即时间调度部分及其后命令部分。

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  • You do not use the crontab command to update these files or files in the /etc/cron.d directory.

    使用crontab命令更新这些文件 /etc/cron.d目录中的文件。

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  • You enter the code in Listing 4 in a user's crontab on a machine outside the virtual environment.

    需要虚拟环境以外一个主机用户crontab输入清单4代码

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  • Fixed a bug in crontab "day of week" handling in locales where a week starts from Monday. (issue 8401).

    解决localesdayofweekcrontab一个bug,其一周一开始(issue 8401)。

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  • The crontab invokes the default editor, as specified using the VISUAL or editor shell environment variables.

    crontab调用默认编辑器。默认编辑器使用shell环境变量VISUALEDITOR指定

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  • You can use this script from your crontab list for regular processing or run as required from the command line.

    crontab列表使用脚本进行常规处理可以根据需要从命令运行该脚本。

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  • Note also that the crontab can include shell variables assignments that will be set before the commands are run.

    还要注意crontab可以包含shell变量值,这些赋值运行命令之前执行。

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  • Refer to our previous tip Job scheduling with cron and at to learn how to set your own crontab for your new alarm clock.

    请参考前一篇技巧文章Jobschedulingwith cron andat学习如何针对新的闹钟程序设置crontab

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  • In addition to the user crontab files in /var/spool/cron, cron also checks /etc/crontab and files in the /etc/cron.d directory.

    除了 /var/spool/cron 中的用户crontab文件之外,cron会检查 /etc/crontab 文件 /etc/cron.d目录中的文件。

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  • You can use Windows Scheduled Tasks in the Windows OS or crontab in the Linux OS to invoke the main program of Automatic-BT.

    可以使用Windows操作系统中的 Windows任务计划Linux 操作系统中的 crontab调用Automatic-BT程序

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  • To delete system cron or anacron jobs, edit /etc/crontab, /etc/anacrontab, or edit or delete files in the /etc/cron.d directory.

    删除系统cronanacron 作业,应该编辑 /etc/crontab、/etc/anacrontab或者编辑或删除 /etc/cron.d 目录中的文件

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  • Setting up crontab entries requires a string with escaped shell metacharacters, so it is best done with simple commands and parameters.

    设置crontab条目需要一个包含转义shell字符字符串所以适合简单命令参数

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  • For day-to-day operations, I mostly work with the Eclipse environment, but the command-line version is handy for crontab (a UNIX utility for scheduling job execution).

    对于日常操作而言多数时间都eclipse环境但是命令行版本对于crontab(计划工作执行的一种UNIX工具)非常方便

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  • Another script, sa2, can create a daily report that you can study. For example, the crontab below shows the default system performance statistics recording on a Solaris system.

    另一个脚本sa2可以创建每天报告,以便进行研究

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  • Another script, sa2, can create a daily report that you can study. For example, the crontab below shows the default system performance statistics recording on a Solaris system.

    另一个脚本sa2可以创建每天报告,以便进行研究

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