--- /dev/null
+Patch
+========
+
+Diff sorgente dest
+Diff normale e' in informatico,
+
+Show diff -c
+ Context
+ https://www.computerhope.com/unix/udiff.htm
+
+Show diff with kompare
+ kompare source diff
+
+With Git:
+
+ git difftool
+ git diff --cached
+ allready added
+
+ git config diff.tool "kompare"
+
+
+
+Archivi
+------------
+
+Diff si puo' applicare anche a directories
+ -q show only files
+ -r recursivo
+
+
+Notebook
+-----------
+
+-requirements:
+- muoversi nel filesystem
+- comandi
+- pager / editor di testo
+
+- git book
+$ git config user.name "John Doe"
+$ git config user.email johndoe@example.com
+git config --list