Take care of 'GNU/kFreeBSD' in os specific configuration

.zsh.d/zshrc

@@ -28,6 +28,8 @@ done
 
 # per OS resource file
 local os=$(uname)
+# special case
+[ "$os" = "GNU/kFreeBSD" ] && os="Linux"
 [ -r "$DOTZSHDIR/os.d/${os}.zsh" ] && source "$DOTZSHDIR/os.d/${os}.zsh"
 
 # sourcing config files