Книга: Embedded Linux Primer: A Practical, Real-World Approach

6.4.1. Initial RAM Disk Purpose

6.4.1. Initial RAM Disk Purpose

The initial RAM disk is a small self-contained root file system that usually contains directives to load specific device drivers before the completion of the boot cycle. In Linux workstation distributions such as Red Hat and Fedora Core, an initial RAM disk is used to load the device drivers for the EXT3 file system before mounting the real root file system. An initrd is frequently used to load a device driver that is required in order to access the real root file system.

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