You want to back up and active / (root) file system without unmounting it. What can you use to create a static image of the / (root) file system to use with a backup command?

A.
The tar command.

B.
The fssnap command.

C.
The snapsfs command.

D.
The ufsdump s command.

Explanation:

The fssnap command is used for this purpose. An example for the / (root) file system would be: fssnap -F ufs -o bs=/fssnap/usr /