分析文件並估計使文件稀疏後可能的可用空間。釋放檔中可能佔用的磁碟空間，即檔中的 0 位元組的連續範圍。在處理虛擬磁碟映像檔、預分配資料庫檔、記憶體和可視化軟體生成的其他檔時，下載管理器會特別高效，這些管理器會預先分配磁碟空間以執行正在執行的下載任務。從其他應用程式的角度來看，該檔在標記為稀疏檔后保持不變。
版本歷史記錄
- 版本 0.3 發佈於 2011-04-28
軟體細節
終端使用者許可協定
By installing this software you agree to this End User License Agreement. This version of the SparseChecker (version 0.3) is distributed freely without any kind of charge. Author takes no responsibility for any possible damage caused by using this software. You are using SparseChecker and SparseCheckerGUI at your own risk. You can redistribute this software freely or for commercial purposes but you have to mention the origin of the software. The application name "SparseChecker" must not be changed. Site www.opalapps.com must be mentioned and must be considered as a home site of the SparseChecker application. The copy of this End User Licence Agreement must be included into the distribution. Modification of the software or any of it's part is not allowed. Author of the SparseChecker can change any terms of this License Agreement in following versions of the SparseChecker. You can get support or consultation concerning any aspect of SparseChacker usage. However Author is not obligated to respond to your requests. Requests provided in a rude manner will be ignored.