It has been de_睦霖题库

单项选择题It has been determined that print jobs from an application are not being removed from the system after they have been printed. To remove these jobs from the /var/spool directory, which cron entry will remove files more than 7 days old?（）: A、 find /var/spool/lpd/qdir -mtime -7 -type f -exec rm -f {}/; B、 find -name /var/spool/* -f rm {}/; C、 find -name /var/spool/lpd/* -exec rm {}/; D、 find /var/spool/lpd/qdir -mtime +7 -type f -exec rm -f {}/

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