/usr/sbin/xenstore-chmod
/usr/sbin/xenstore-exists
/usr/sbin/xenstore-list
/usr/sbin/xenstore-ls
/usr/sbin/xenstore-read
/usr/sbin/xenstore-rm
/usr/sbin/xenstore-watch
/usr/sbin/xenstore-write
You may install this package on Debian with
apt-get
install xenstore-utils