Not broken into much details but if you are familiar with LSMW Tool, this document will be handy for you to manage uploading General Ledger Master Data in SAP. This document comprises of two parts, in first part author demonstrate recording tool with creating dummy GL Master Data, and then in the second part you maintain famous 14 steps of LSMW tool. Short notes and clear screenshots are provided for each step.
Download – LSMW Steps for Uploading General Ledger (GL) Master Data in SAP