For instructions regarding how to file a utility design patter, consult with the US Patent and Trademark Office. See the related link for specific details.
I think answer is File Compression
If you want to get a patent for your cool invention, you need to file a design, utility or plant patent application to the government. You can also file this application electronically.
WinZip
File compression
WinZip
File Compression
File Manager
Compression
The simplest utility for viewing file content in the Linux Terminal, (Terminal as command promt also called DOS in Windows) its called the file command. The simplest utility for viewing file content in the Linux Terminal, (Terminal as command promt also called DOS in Windows) its called the file command.
Utility, Design, and Plant.
windows explorer
In computing "Diff" refers to a utility that displays the difference between two files. It is usually used to show the differences between a newer version of a file and an older version. The utility outputs the changes made to each text file per line.