Although the volume of tabs available for the bass is dwarfed by the sheer numbers of tabs for the six-string guitar, there are still enough bass tabs out there to satisfy the eager bass player looking to learn new material.
The strings on the bass guitar follow the same general format as the strings on a six-string guitar except for the fact that the bass only has four strings.
The main difference between a six-string guitar and a bass guitar is that bass guitar notes are much lower in pitch than guitar notes.
Thus, for a six-string guitar there are six lines representing the strings, and for a bass guitar, there are four lines.
The bass is set up in much the same way as a six-string guitar.