2017-03-16 object廃棄 powershell Object廃棄 on Powershell Remove-Variable x 参考 http://stackoverflow.com/questions/13782788/powershell-clear-item-variable-vs-remove-variable http://m.chiebukuro.yahoo.co.jp/detail/q1342962568 http://stackoverflow.com/questions/1999858/how-bad-is-it-to-not-dispose-in-powershell