test_name system-return-code test_description Ensure that executing a valid command through system returns `0' as return code. copy_sub Ace $TEST Ace copy_raw test.e $CLUSTER test.e compile_melted compile_result ok execute_work NONE exec_output_m execute_result ok compare exec_output_m output compile_frozen compile_result ok c_compile_work c_compile_result ok execute_work NONE exec_output_w execute_result ok compare exec_output_w output test_end