.Dd April 28, 1999
.Dt JAIL 8
.Os FreeBSD 4.0
.Sh NAME
.Nm jail
.Nd imprison process and decendants.
.Sh SYNOPSIS
.Nm jail
.Ar path
.Ar hostname
.Ar ip-number
.Sh DESCRIPTION
The
.Nm
command imprisons a process and all future decendants.
.Pp
Please see the
.Xr jail 2
Manual page for further details.
.Sh SEE ALSO
.Xr chroot 2 ,
.Xr jail 2
.Sh HISTORY
The
.Fn jail
function call appeared in
.Fx 4.0 .
.Pp
The jail feature was written by Poul-Henning Kamp for
R&D Associates
.Dq Li http://www.rndassociates.com/
who contributed it to FreeBSD.