diff --git a/BSD.md b/BSD.md
index 360af38..38bdc6a 100644
--- a/BSD.md
+++ b/BSD.md
@@ -44,6 +44,21 @@ reboot.sh
 sudo shutdown --reboot now
 ```
 
+## FreeDOS
+
+update.bat
+```
+fdnpkg update
+```
+reboot.bat
+```
+reboot
+```
+shutdown.bat
+```
+shutdown
+```
+
 ## NetBSD
 
 Before these, change to root:
@@ -70,3 +85,30 @@ reboot.sh
 ```
 shutdown -r now
 ```
+
+## OpenBSD
+
+Before these, change to root:
+```
+su
+```
+update.sh
+```
+pkg_add -u
+```
+install.sh
+```
+pkg_add $1
+```
+uninstall.sh
+```
+pkg_delete $1
+```
+shutdown.sh
+```
+halt -p
+```
+reboot.sh
+```
+reboot
+```
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