diff --git a/scripts.org b/scripts.org
index 93087eb..734ce3d 100644
--- a/scripts.org
+++ b/scripts.org
@@ -778,6 +778,14 @@ Wrapper command around the equivalent [[file:shells.org::*=o=][fish function]].
 #+begin_src bash :tangle (haris/tangle-home ".local/bin/o")
   fish -C "o $(printf "%q " "$@")"
 #+end_src
+** =get-os-type=
+Get the OS type.
+#+begin_src shell :tangle (haris/tangle-home ".local/bin/get-os-type")
+  cat /etc/lsb-release 2>/dev/null | grep -q 'Ubuntu'     && echo 'ubuntu' && exit
+  cat /etc/os-release  2>/dev/null | grep -q 'Arch Linux' && echo 'arch'   && exit
+  echo 'Unsupported OS' >&2
+  exit 1
+#+end_src
 * Applications
 These are programs that are meant to be used mostly interactively. As such, they
 are designed to be easily integrated into dmenu scripts.
diff --git a/terminal.org b/terminal.org
index b140657..959dff7 100644
--- a/terminal.org
+++ b/terminal.org
@@ -13,7 +13,7 @@ If you are viewing this on Linux, you can find the config reference [[file:/usr/
   shell:
     program: fish
   scrolling:
-    history: 100000
+    history: 100000  # Unfortunately, this is a hard limit in alacritty
   selection:
     save_to_clipboard: true
   hints:
diff --git a/vcs.org b/vcs.org
index df7e604..eba5ee7 100644
--- a/vcs.org
+++ b/vcs.org
@@ -44,6 +44,7 @@ My config for version control systems I use (overwhelmingly git + GitHub).
     a = add
     b = branch
     chx = update-index --chmod=+x
+    root = rev-parse --show-toplevel  # Needed for older versions of git
 #+end_src
 *** ls
 #+begin_src gitconfig