Linux System - Table 11 > Packages - Table 11 > diffstat

The diff command compares files line by line. Diffstat reads theoutput of the diff command and displays a histogram of the insertions, deletions, and modifications in each file. Diffstat is commonly used to provide a summary of the changes in large, complex patch files. Install diffstat if you need a program which provides a summary of the diff command's output. You also need to install diffutils.