.Dd January 30, 2015 .Dt CHROOT 1 .Os .Sh NAME .Nm chroot .Nd invoke a command with a different root directory .Sh SYNOPSIS .Nm .Ar dir .Op Ar command Op Ar arg ... .Sh DESCRIPTION .Nm runs .Ar command after changing the root directory to .Ar dir with the .Xr chroot 2 system call, and changing the working directory to the new root. If .Op Ar command is not specified, an interactive shell is started in the new root. .Sh SEE ALSO .Xr chdir 2 , .Xr chroot 2