The symfony command line task names have changed in version 1.1. They now use a namespace syntax. The old task names still work--they are just aliases for the new task names. Here is a table showing the name changes:

Old task name	New task name
--------------------------	-----------------
clear-cache	cache:clear
clear-controllers	project:clear-controllers
disable	project:disable
downgrade	[Not implemented]
enable	project:enable
fix-perms	project:permissions
freeze	project:freeze
init-app	generate:app
init-batch	[Not implemented]
init-controller	[Not implemented]
init-module	generate:module
init-project	generate:project
log-purge	log:clear
log-rotate	log:rotate
plugin-install	plugin:install
plugin-list	plugin:list
plugin-uninstall	plugin:uninstall
plugin-upgrade	plugin:upgrade
propel-build-all	propel:build-all
propel-build-all-load	propel:build-all-load
propel-build-db	propel:build-db
propel-build-model	propel:build-model
propel-build-schema	propel:build-schema
propel-build-sql	propel:build-sql
propel-convert-xml-schema	propel:schema-to-yml
propel-convert-yml-schema	propel:schema-to-xml
propel-dump-data	propel:data-dump
propel-generate-crud	propel:generate-crud
propel-init-admin	propel:init-admin
propel-init-crud	[Not implemented]
propel-insert-sql	propel:insert-sql
propel-load-data	propel:data-load
sync	project:deploy
test-all	test:all
test-functional	test:functional
test-unit	test:unit
unfreeze	project:unfreeze
upgrade	project:freeze