Usage: gij [OPTION] ... CLASS [ARGS] ... to invoke CLASS.main, or gij -jar [OPTION] ... JARFILE [ARGS] ... to execute a jar file Try `gij --help' for more information. /home/nick/IdeaProjects/untitled/classes/production/untitled/BCELify.sh: line 2: org.apache.bcel.util.BCELifier: command not found