How can you update a package only if an earlier version is currently installed on the system?
A.
rpm-update rpmname
B.
rpm-U rpmname
C.
rpm -F rpmname
D.
rpm-force rpmname
E.
rpm-u rpmname
Explanation:
Upgrades, but only if the package installed.
No, it is wrong answer, and very bad explanation!
The correct answer is: rpm -u rpmname
Please take care of the spaces.
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