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.Dd June 7, 2019
.Dt MOUNT_9P 8
.Os
.Sh NAME
.Nm mount_9p
.Nd mount a file server using the 9P resource sharing protocol
.Sh SYNOPSIS
.Nm
.Op Fl su
.Op Fl o Ar mntopts
.Op Fl p Ar port
.Ar [user@]host[:path]
.Ar mount_point
.Sh DESCRIPTION
The
.Nm
program is used to mount a file hierarchy served with the Plan 9
file sharing protocol: 9P.
After the file system is mounted, the files on the remote
.Ar host
will be accessed using the credentials of the user named
.Ar user
and whatever UID the user happens to have on the remote server.
If
.Ar path
is supplied, it is used as the mount rootpath on the remote host.
.Ar path
must be an absolute path.
.Pp
By default
.Nm
runs in the background with
.Xr daemon 3 .
With the
.Fl s
option
.Nm
runs in the forground.
.Pp
By default
.Nm
follows the 9P2000 protocol.
With the
.Fl u
option
.Nm
follows the 9P2000.u protocol that includes extensions to better support Unix
environments.
.Sh SEE ALSO
.Xr puffs 3 ,
.Xr puffs 4 ,
.Xr mount 8
.Rs
.%T RFC and standards documents relating the 9P protocol
.%U http://ericvh.github.io/9p-rfc/
.Re
.Sh HISTORY
The
.Nm
utility first appeared in
.Nx 5.0 .
.Pp
Experimental 9P2000.u support appeared in
.Nx 9.0 .
.Sh CAVEATS
Permissions are not handled well.
.Pp
Authentication support is missing.
.Pp
Error code handling is missing for 9P2000.
.Pp
Under construction.
.Pp
9P2000.u support doesn't use extension fields.