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[[http://www.stahlworks.com/dev/swiss-file-knife.html|Swiss File Knife - A Command Line Tools Collection]] combines many functions in a single, portable executable that belongs onto every USB stick. Search and convert text files, instant simple FTP/HTTP server, find duplicate files, compare folders, treesize, run own commands on all files of a folder - it's all within a single tool. Licensed under the BSD License.
 
[[http://helgeklein.com/blog/2007/11/free-tool-refresh-the-desktop-programmatically/|Desktop Refresh]] Refresh the Desktop Programmatically. \\