 It was the first implementation that used the virtual file system (VFS), for which support was added in the Linux kernel in version 0.96c, and it could handle file systems up to 2 gigabytes (GB) in size.ext was the first in the series of extended file systems.In 1993 it was superseded by both ext2 and xiafs, which competed for a time, but ext2 won because of its long-term viability