5 Diff normale e' in informatico,
9 https://www.computerhope.com/unix/udiff.htm
11 Show diff with kompare
20 git config diff.tool "kompare"
27 Diff si puo' applicare anche a directories
36 - muoversi nel filesystem
38 - pager / editor di testo
41 $ git config user.name "John Doe"
42 $ git config user.email johndoe@example.com