1.\" 2.\"---------------------------------------------------------------------------- 3.\""THE BEER-WARE LICENSE" (Revision 42): 4.\"<phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you 5.\"can do whatever you want with this stuff. If we meet some day, and you think 6.\"this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7.\"---------------------------------------------------------------------------- 8.\" 9.\"$FreeBSD$ 10.\" 11.\" 12.Dd April 28, 1999 13.Dt JAIL 8 14.Os FreeBSD 4.0 15.Sh NAME 16.Nm jail 17.Nd imprison process and its descendants 18.Sh SYNOPSIS 19.Nm jail 20.Ar path 21.Ar hostname 22.Ar ip-number 23.Ar command 24.Ar ... 25.Sh DESCRIPTION 26The 27.Nm 28command imprisons a process and all future decendants. 29.Pp 30Please see the 31.Xr jail 2 32man page for further details. 33.Sh EXAMPLES 34This shows how to setup a jail directory tree: 35.Bd -literal 36D=/here/is/the/jail 37cd /usr/src 38make hierarchy DESTDIR=$D 39make obj 40make all 41make install DESTDIR=$D 42cd etc 43make distribution DESTDIR=$D 44cd $D/dev 45sh MAKEDEV jail 46cd $D 47ln -sf dev/null kernel 48echo "proc $D/proc procfs rw 0 0" >> /etc/fstab 49.Ed 50.Sh SEE ALSO 51.Xr chroot 2 , 52.Xr jail 2 53.Sh HISTORY 54The 55.Fn jail 56function call appeared in 57.Fx 4.0 . 58.Pp 59The jail feature was written by Poul-Henning Kamp for 60R&D Associates 61.Dq Li http://www.rndassociates.com/ 62who contributed it to FreeBSD. 63