: The U.S. Department of Agriculture uses "RUS" prefixes for various accounting, loan, and engineering documents (e.g., RUS Bulletin 1767 ) [1.1.1].
The file is the second segment of a multi-part compressed archive created using 7-Zip . RUS-21.7z.002
: The .002 suffix indicates this is the second "volume" of a set [ 1.2.1 ]. : The U
: Use caution when opening archive files from unknown sources. Large, split archives are a common vector for malware. It is recommended to scan the reconstructed file with an updated antivirus before opening. and engineering documents (e.g.