Which THREE lines below are valid entries in /etc/crontab and will work properly?
A.
0 23 * * 8 root tar cvf /dev/st0 /etc
B.
0 10 6 22 * /usr/local/bin/fs-report.sh
C.
0 17 * * 1 jdoe accouting-generation
D.
20 6 1 * * root graphicals-generations
E.
0 10 * * 2-6 root tar cvf /dev/st0 /etc
A – is invalid , cause does not exists DayOfWeek “8”
D – is correct supposed the graphicals-generations is a program/script
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Dear Admin, Fernando is right. Please correct answer.
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Thanks Fernando.
Fixed.
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Are you edit answers?
/etc/crontab is a system-wide crontab. In its syntax must exist username. But in “E” answer there is no username. By this reason a can see only two correct answers — C and D. But Q require THREE answer… I’m confused…
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Hi Alukardd,
It missed an username in option E. I fixed it.
Thanks so much.
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