If you want to alter the "jaildir" variable after running "qjail install"
you will have to delete all your jails using the "qjail delete" command
and them "rm -rf /usr/jails/" before un-commenting it and running
the "qjail install" command again.
Location of qjail environment root directory
If you want to alter the "archivedir" variable after running "qjail install"
you will have to create the directory at the new path and copy any archive
files from the old location to the new or they will be un-accessable.
Archive location used by subcommands
archive, restore, and create.
Altering the following variables take effect immediately.
This is the flavor name used by default when creating
a new jail.
Location of FreeBSDs source tree "qjail install"
Remote server the "qjail install" command uses to fetch its
RELEASE distribution files from
Logon command used by "qjail console" command
default: /usr/bin/login -f root