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IT Support & Hardware · Foundational

yum

The legacy package manager for Red Hat-based Linux distributions, replaced by dnf.

Definition

yum installs, updates, and removes RPM packages with dependency resolution. On RHEL 8 and later, yum is an alias to dnf. It still appears in exam objectives and scripts.

Example

sudo yum install httpd

Exam tip

yum/dnf = Red Hat family; apt = Debian/Ubuntu family.

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