Line cursor is positioned to first line of file. Still needs further specification, i.e. find all instance of pattern, find first pattern search forward, find first pattern searching backward, etc. Opens a file for editing. Save text file in memory to secondary storage. If text file has not been saved, user is asked whether the file is to be saved to secondary storage.
Line editor operates against a text file .
The end of the text file will be marked with an EOF character. There was much discussion about how the file being edited and the temp file were updated and traversed. The following is a visual model of the before and after temp files. The file is opened. After The cursor is on line one and the command d is given.