Commandline.txt to fix low vRAM problem in GTA IV and EFLC. Just download the file, extract it, and copy /paste it into GTA IV/EFLC's directory. GTA IV Command Line Editor v1.0. It's an automated modifier for the 'commandline.txt' file. Good for low hardware's configuration. Buy Grand Theft Auto IV - PC Download (Standard Edition) [Download]: Read Video Games Reviews - Amazon.com.