There is only one file type that uses the .UFS.UZIP extension:
Compressed Unix File System File

- Developer The FreeBSD Project
-
Popularity
- Category Compressed Files
- Format Binary
Compressed file created by mkuzip, a FreeBSD utility used to compress disk images; contains a compressed .UFS file; used for reducing the size of UFS files at the expense of increased CPU utilization when they are opened by the geom_uzip utility.
Updated: April 5, 2010