Normally, you run commands with the cron and at facilities at some point when you may not be around, so the usual assumption is that these scheduled jobs do not have access to a display.

通常，当您不在计算机附近时，一般使用cron和at实用程序运行命令，这些程序通常会认为预定的作业不能访问播放器的图形化表示。

youdao

Normally, you run commands with the cron and at facilities at some point when you may not be around, so the usual assumption is that these scheduled jobs do not have access to a display.

通常，当您不在计算机附近时，一般使用cron和at实用程序运行命令，这些程序通常会认为预定的作业不能访问播放器的图形化表示。

youdao