How to exclude mount path for separate partitions

[lcheylus]

On my BSD system, I have separate partitions for /usr :

• /usr
• /usr/local
• /usr/X11R6

I would like to use dust to see my disk utilization for /usr excluding other partitions under /usr path.
I used -X option but it does not work : ./dust -r /usr -X local -X X11R6 => /usr/local and /usr/X11R6 are not excluded from disk size usage.

[bootandy]

-X ignores a directory. Try -x to limit to a single filesystem. It does close to what you ask but not quite the same thing.

Try running dust -x /usr and see if that works for you.

[lcheylus]

Thanks, it works as attended with -x flag to limit to a single filesystem.