Inspired by the Plan 9 file server kernel's configuration strings,
it provides device mirroring, partitioning, interleaving, and catenation
for disk-based services like
-.IR fossil (4)
-or
.IR venti (8).
.PP
The device is intended to be bound at
.IR cat (1),
.IR dd (1),
.IR sd (3),
-.IR fossil (4),
.IR fs (8),
.IR plan9.ini (8),
.IR prep (8),