如何有效地阅读和rbind大型CSV文件？

I have 20 large CSV (100-150MB each) files i would like to load in R and rbind them in a large file and perform my analysis. Reading each CSV file is performed on one core only and takes about 7 min. I am on 64bit 8-core linux with 16gb RAM so resources should not be an issue. I have 20 large CSV (100-150MB each) files i wo