Embedded Operating Systems by Alan Holt & Chi-Yu Huang

Author:Alan Holt & Chi-Yu Huang
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Fig. 4.5The ext2 filesystem

Format the file as an ext4 filesystem:

Create a mount point and mount testfs as a loop device:

If we look at the top level directory of the filesystem mounted on mnt, we see just one directory entry for lost+found (which is itself, a directory):

Details of the filesystem can be viewed with the following command-line:

Unmount the filesystem:

Notice how the values for the filesystem have changed. This is because the content of the mnt directory is now on the root filesystem rather than the virtual filesystem in testfs:

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