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Dd March 3, 2014
Dt RUMPFS 4
Os
Sh NAME
Nm rumpfs
Nd rump kernel root file system
Sh LIBRARY
rump kernel (librumpvfs, \-lrumpvfs)
Sh DESCRIPTION
Nm
is a simple in-memory file system for rump kernels.
It is automatically mounted as the root file system of a rump kernel
at boot time, provided that the VFS faction is configured into the rump
kernel instance.
Pp
The three main features of
Nm
are:
Bl -enum -offset indent
It
providing a hook for accessing host files via the
Xr rump_etfs 3
interfaces.
It
supporting enough of file and directory interfaces to facilitate simple
operations such as hosting config files or creating mount points.
It
being small and lightweight so as to keep a barebones rump kernel
lightweight.
El
Pp
Nm
is not intended for hosting large files or big directory
hierarchies.
If faced with such a use case, mounting a tmpfs file system
inside the rump kernel is recommended.
Sh SEE ALSO
Xr rump 3
Sh HISTORY
Nm
first appeared in
Nx 6.0 .

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