题目内容（请给出正确答案）

[主观题]

Which procedure should be used to configure the system to prevent all users from using the ‘at’ command？（）

A.Create a /var/adm/cron/at.allow file with no entries

B.Create a /var/adm/cron/at.deny file with ‘*‘ as the only entry

C.Create a /var/adm/at/at.deny file with ‘ALL‘ as the only entry

D.Create a /var/adm/at/at.allow file with ‘NONE‘ as the only entry

提问人：网友chjiwa 发布时间：2022-01-07

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