PC Expertise help on linux commands?

Which of the following can be used to execute a series of Linux commands at a specified time?





A) which





B) run





C) time





D) at





when

PC Expertise help on linux commands?
at





for example:


at -m 0930 tomorrow %26lt;%26lt;EOT


df -k %26gt; /root/disk-usage.txt


ps -ef %26gt; /root/processes.txt


EOT





This will dump disk usage report (df) and process list (ps) into text files at 9:30am tomorrow