update draft note on openbsd

content/notes/openbsd/index.md

@@ -20,6 +20,14 @@ draft = true
 These are my notes that I want to summarize about the OpenBSD
 operating system. 
 
+## Get some filesystem information
+
+```console
+$ dumpfs /dev/rsd1a
+magic	19540119 (FFS2)	time	Thu Nov 16 21:14:34 2023
+[...] (snip; lots of output...)
+```
+
 ## Python
 
 ### ModuleNotFoundError
@@ -91,7 +99,6 @@ $ doas cp -r /etc/ssl etc/ssl
 $ doas rcctl restart php80_fpm
 ~~~
 
-
 ## Apache (Server)
 
 As I host my own Cloudlog instance on my server I run into problems sometimes.