分析文件并估计使文件稀疏后可能的可用空间。释放文件中可能占用的磁盘空间，即文件中的 0 字节的连续范围。在处理虚拟磁盘映像文件、预分配数据库文件、内存和可视化软件生成的其他文件时，下载管理器会特别高效，这些管理器会预先分配磁盘空间以执行正在执行的下载任务。从其他应用程序的角度来看，该文件在标记为稀疏文件后保持不变。
版本历史记录
- 版本 0.3 发布于 2011-04-28
软件信息
终端用户许可协议
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.