xv6 File System Visualizer

This is an online visualizer for xv6 file system image. The source code is published at GitHub



Screen Record


  • See the overall layout of an xv6 filesystem image
  • View the metadata storoed in inodes
  • Trace the relationship between files/directories, inodes, and blocks
  • Check the file/directory path for inodes
  • Basic inconsistency checking:
    • Invalid inode type.
    • Inode marked use but not found in a directory.
    • Inode referred to in directory but marked free.
    • Block used by inode but marked free in bitmap.
    • Bitmap marks block in use but it is not in use.