to cause complete failure in a system or process
システムやプロセスを完全に停止させること (shisutemu ya purosesu o kanzen ni teishi saseru koto)
"One wrong command can crash the system."
"1つの誤ったコマンドでシステムがクラッシュする可能性があります。" (hitotsu no ayamatta komando de shisutemu ga kurasshu suru kanosei ga arimasu)
it amazed or shocked me completely
to behave independently; not influenced by others
to start behaving in an unusual or uncontrolled way
to find the real cause of a problem
Mental calmness leads to happiness and contentment.
to attribute something to a particular cause