The differences between the files are highlighted. This is a nice way to inspect changes and to move changes from one version to another version of the same file. See vim(1) for details about Vim itself. When started as gvimdiff the GUI will be started, if available. ...
The bzdiff command uses the diff program to compare files, and the bzcmp command uses the cmp program to compare files.In addition, the bzdiff command compares the contents of the files line by line, showing the differences between them, while bzcmp command compares files byte by byte, ...