Which THREE lines below are valid entries in /etc/crontab and will work properly?

The correct answer is A. 0 23 * * 7 root tar cvf /dev/st0 /etc C. 0 17 * * 1 jdoe accouting-generation D. 20 6 1 * * root graphicals-generations. See the full explanation below for the reasoning.

System Maintenance

Question

Which THREE lines below are valid entries in /etc/crontab and will work properly?

Options

A0 23 * * 7 root tar cvf /dev/st0 /etc
B0 10 6 22 * /usr/local/bin/fs-report.sh
C0 17 * * 1 jdoe accouting-generation
D20 6 1 * * root graphicals-generations
E0 10 * * 2-6 tar cvf /dev/st0 /etc

How the community answered

(66 responses)

A
76% (50)
B
8% (5)
E
17% (11)

Topics

#crontab#cron syntax#scheduling#system tasks

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