#available feature commands before 
JBossFuse:karaf@root> features:
features:addurl              features:chooseurl           features:info                features:install             features:list                features:listrepositories    features:listurl             features:listversions        
features:refreshurl          features:removerepository    features:removeurl           features:uninstall           


JBossFuse:karaf@root> features:list | grep karaf-framework
[uninstalled] [2.4.0.redhat-620062 ] karaf-framework                         karaf-2.4.0.redhat-620062            Karaf core feature
JBossFuse:karaf@root> features:install karaf-framework
JBossFuse:karaf@root> features:list | grep karaf-framework
[installed  ] [2.4.0.redhat-620062 ] karaf-framework                         karaf-2.4.0.redhat-620062            Karaf core feature
JBossFuse:karaf@root> features:uninstall karaf-framework
Error executing command: Invalid BundleContext.
 
JBossFuse:karaf@root> features:info karaf-framework
Command not found: features:info

#available feature commands after
JBossFuse:karaf@root> features:
features:addurl              features:list                features:listrepositories    features:listurl