complete documentation

README.md

@@ -16,10 +16,30 @@ composer require d3/varbackup
 
 ## How to use
 
+### Show options list
+
+```
+./vendor/bin/varbackup -h
+```
+
+### Create backups
+
 Create a cronjob or execute the following script manually:
 
 ```
-./vendor/bin/varbackup
+./vendor/bin/varbackup [-s]
+```
+
+### Restore last backup
+
+```
+tar -xvf backup/var/latest.tar
+```
+
+or
+
+```
+tar -xzvf backup/var/var.tar.2025-01-01.gz
 ```
 
 ## Customizing