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In the context of a Fedora-RHEL `dnf update` and `dnf upgrade`, kernel-modules-extra]]` for `x86_64` architecture refers to an additional package that contains extra kernel modules not included in the base `kernel-modules` package. These extra modules provide support for additional hardware, filesystems, and features that are not commonly needed by all users.

1. Key Points:
2. **Kernel Modules Extra**: This package includes additional modules that are not part of the main `kernel-modules` package.
3. **x86_64**: Indicates that the package is for the 64-bit architecture of x86 processors.

1. Purpose:
2. **Additional Hardware Support**: Provides drivers and support for a wider range of hardware devices that are less commonly used.
3. **Specialized File Systems**: Adds support for more specialized or less commonly used file systems.
4. **Enhanced Features**: Includes modules that offer enhanced or experimental features that are not part of the default kernel.

1. Usage in `dnf update` and `dnf upgrade`:
2. During `dnf update` or `dnf upgrade`, updating the `kernel-modules-extra` package ensures that all extra kernel modules are up to date, providing broader hardware compatibility and feature support.
3. This is particularly useful for users who have specific or uncommon hardware requirements, or who need the additional features provided by these extra modules.

In summary, the `kernel-modules-extra – x86_64` package in Fedora includes additional kernel modules that extend the functionality of the Linux kernel beyond the standard set, catering to specialized needs and hardware configurations on a 64-bit system.