The values are as following.
$ echo $PS1 ${debian_chroot:+($debian_chroot)}\u@\h:\w\$ $ echo $PROMPT_COMMAND pwd>&8;kill -STOP $$
The values are as following.
$ echo $PS1 chroot: +($debian_ chroot) }\u@\h: \w\$
${debian_
$ echo $PROMPT_COMMAND
pwd>&8;kill -STOP $$