The Text File Manipulator is a Java based project that utilizes the Stack and LinkedList data structures. It provides a range of functionalities for manipulating text files making it a valuable tool for performing operations on them. The goal of this project is to simplify text file processing by offering a user interface to perform tasks such as removing repeated lines, reversing the content of files ,copying specific lines , cutting and pasting lines, inserting lines after any desired line, sorting file data and add One file content to another text file.