Updated BSD (markdown)

BSD.md

@@ -35,6 +35,14 @@ uninstall.sh
 sudo apt remove $1
 # more dangerous, all configs and data: sudo apt --purge remove $1
 ```
+shutdown.sh
+```
+sudo shutdown --poweroff now
+```
+reboot.sh
+```
+sudo shutdown --reboot now
+```
 
 ## NetBSD
 
@@ -54,3 +62,11 @@ uninstall.sh
 ```
 pkg_delete $1
 ```
+shutdown.sh
+```
+shutdown -p now
+```
+reboot.sh
+```
+shutdown -r now
+```