The filename typically refers to a compressed segment of a large software or game repack, most likely associated with Grand Theft Auto: Half-Life Mod (GTHM) distributed by the repacker DODI [1, 2].
: Generally stands for Grand Theft Auto: Half-Life Mod , a popular total conversion mod. GTHMDODI2GB.part01.rar
Large games can be tens or even hundreds of gigabytes. To prevent a single download failure from ruining the entire process, uploaders split the data into smaller chunks (like this 2GB part). The filename typically refers to a compressed segment
: Once extracted, you will usually find a Setup.exe file provided by DODI to begin the installation. A Quick Safety Reminder GTHMDODI2GB.part01.rar