# dpkg-query -W upstart upstart-compat-sysv system-services startup-tasks upstart 0.2.7-4 upstart-compat-sysv 0.2.7-4 system-services 0.2.7-4 startup-tasks 0.2.7-4
# dpkg-query -W upstart upstart-compat-sysv system-services startup-tasks
upstart 0.2.7-4
upstart-compat-sysv 0.2.7-4
system-services 0.2.7-4
startup-tasks 0.2.7-4