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2. Umsdos as your root partition

2.1 The pseudo-root concept.

With Umsdos, Linux can be installed in a standard DOS partition. Linux is then installed as a second (or third) OS in the partition. To avoid name collision (there is maybe a bin or tmp directory in the drive C: already), Umsdos use a smart trick: The pseudo-root.

All Linux files are installed in a DOS subdirectory called linux, generally C: LINUX. The normal Linux/Unix directory structure goes there. So you get

When the Umsdos boot, it probes for the directory linux and then /linux/etc. If it exist, it activates the pseudo-root mode.

Mostly, the pseudo-root mode switch the root of the partition to C:\\LINUX giving the conventional Unix directory layout

To this list, it adds a new one called DOS. This one is a virtual directory.

2.2 Things to know about the pseudo-root

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