diff --git a/README.md b/README.md
index e8e4d76..afcdb85 100644
--- a/README.md
+++ b/README.md
@@ -46,3 +46,29 @@ verificare le porte aperte TCP
 ```bash
 sudo lsof -nP -iTCP -sTCP:LISTEN
 ```
+## File compressi con i permessi e gli owner
+
+creare archivio
+```bash
+sudo tar -czvpf <nome>.tar.gz <folder>
+```
+verificare le porte aperte TCP
+```bash
+sudo tar -xzvpf <nome>.tar.gz
+```
+
+Options:
+```
+-c : Creates archive
+-x : Extracts the archive
+-f : creates archive with given filename
+-t : displays or lists files in archived file
+-u : archives and adds to an existing archive file
+-v : Displays verbose information
+-A : Concatenates the archive files
+-z : compresses the tar file using gzip
+-j : compresses the tar file using bzip2
+-W : Verifies an archive file
+-r : updates or adds file or directory in already existing .tar file
+-p : with permissions and ownership
+```