diff --git a/.chezmoiexternal.toml b/.chezmoiexternal.toml
new file mode 100644
index 0000000..824c78d
--- /dev/null
+++ b/.chezmoiexternal.toml
@@ -0,0 +1,6 @@
+[".cache/nu_scripts"]
+    type = "archive"
+    url = "https://github.com/nushell/nu_scripts/archive/refs/heads/main.tar.gz"
+    exact = true
+    stripComponents = 1
+    refreshPeriod = "168h"
\ No newline at end of file
diff --git a/dot_config/kitty/kitty.conf b/dot_config/kitty/kitty.conf
index 7d1c13b..2c04efb 100644
--- a/dot_config/kitty/kitty.conf
+++ b/dot_config/kitty/kitty.conf
@@ -9,7 +9,7 @@ font_size        16.0
 
 confirm_os_window_close 0
 
-shell xonsh
+shell nu
 
 # BEGIN_KITTY_THEME
 # Catppuccin-Latte
diff --git a/private_Library/private_Application Support/nushell/config.nu b/private_Library/private_Application Support/nushell/config.nu
new file mode 100644
index 0000000..bda2040
--- /dev/null
+++ b/private_Library/private_Application Support/nushell/config.nu	
@@ -0,0 +1,6 @@
+let-env config = ($env.config | upsert show_banner false)
+let-env config = ($env.config | upsert rm.always_trash true)
+let-env config = ($env.config | upsert edit_mode vi)
+let-env config = ($env.config | upsert history.max_size 100000)
+let-env config = ($env.config | upsert footer_mode auto)
+let-env config = ($env.config | upsert history.file_format "sqlite")
\ No newline at end of file
diff --git a/private_Library/private_Application Support/nushell/env.nu b/private_Library/private_Application Support/nushell/env.nu
new file mode 100644
index 0000000..5dd6d4d
--- /dev/null
+++ b/private_Library/private_Application Support/nushell/env.nu	
@@ -0,0 +1,84 @@
+# Nushell Environment Config File
+
+### Load standardised prompt "starship"
+# TEMP: Custom vi prompt indicators
+let-env PROMPT_INDICATOR_VI_INSERT = ""
+let-env PROMPT_INDICATOR_VI_NORMAL = ""
+source ~/.cache/starship/init.nu
+
+# Specifies how environment variables are:
+# - converted from a string to a value on Nushell startup (from_string)
+# - converted from a value back to a string when running external commands (to_string)
+# Note: The conversions happen *after* config.nu is loaded
+let-env ENV_CONVERSIONS = {
+  "PATH": {
+    from_string: { |s| $s | split row (char esep) | path expand --no-symlink }
+    to_string: { |v| $v | path expand --no-symlink | str join (char esep) }
+  }
+}
+
+# Directories to search for scripts when calling source or use
+#
+# By default, <nushell-config-dir>/scripts is added
+let-env NU_LIB_DIRS = [ ($nu.default-config-dir | path join 'scripts') ]
+
+# Directories to search for plugin binaries when calling register
+#
+# By default, <nushell-config-dir>/plugins is added
+let-env NU_PLUGIN_DIRS = [ ($nu.default-config-dir | path join 'plugins') ]
+
+
+# Add entries to PATH:
+# From MacOS helper (/usr/libexec/path_helper)
+let-env PATH = ($env.PATH | split row (char esep) | append "/Library/TeX/texbin")
+let-env PATH = ($env.PATH | split row (char esep) | append "/Library/Apple/usr/bin")
+let-env PATH = ($env.PATH | split row (char esep) | append "/opt/homebrew/bin")
+let-env PATH = ($env.PATH | split row (char esep) | append "/opt/homebrew/sbin")
+let-env PATH = ($env.PATH | split row (char esep) | append "/usr/local/bin")
+# Optional Homebrew packages
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"(brew --prefix | str trim)/opt/bison/bin")
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"(brew --prefix | str trim)/opt/flex/bin")
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"(brew --prefix | str trim)/opt/llvm/bin")
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"(brew --prefix | str trim)/opt/openjdk/bin")
+# Other package managers
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"($env.HOME)/.local/bin")
+let-env PATH = ($env.PATH | split row (char esep) | prepend $"($env.HOME)/.cargo/bin")
+
+# --- user custom ---
+# Set default editor
+let-env EDITOR = "nvim"
+let-env VISUAL = "codium"
+# Alias for Monash compute cluster
+let-env OPTCLUSTER = "compute.optimisation-2020.cloud.edu.au"
+# CMake settings
+let-env CMAKE_EXPORT_COMPILE_COMMANDS = "1" # output compile-commands.json for clangd
+let-env CMAKE_GENERATOR = "Ninja Multi-Config" # use Ninja generator by default
+let-env CMAKE_C_COMPILER_LAUNCHER = "ccache"
+let-env CMAKE_CXX_COMPILER_LAUNCHER = "ccache"
+# Homebrew shell setup (brew shellenv)
+let-env HOMEBREW_PREFIX = "/opt/homebrew"
+let-env HOMEBREW_CELLAR = "/opt/homebrew/Cellar"
+let-env HOMEBREW_REPOSITORY = "/opt/homebrew"
+let-env INFOPATH = "/opt/homebrew/share/info"
+# Set MANPATH
+let-env MANPATH = "/usr/share/man:/usr/local/share/man:/Library/TeX/Distributions/.DefaultTeX/Contents/Man:/opt/homebrew/share/man"
+
+### Setup aliases
+alias edit = ^($env.VISUAL)
+alias start = ^open
+alias less = bat
+alias set-light-theme = kitty +kitten themes Catppuccin-Latte
+alias set-dark-theme = kitty +kitten themes Catppuccin-Macchiato
+alias brew-backup = brew bundle dump --global --no-lock --cask --mas --tap --force
+alias brew-cleanup = brew bundle cleanup --global --no-lock --force --zap
+alias brew-restore = brew bundle install --global --no-lock
+
+# Load autojump plugin "zoxide"
+source ~/.cache/zoxide/zoxide.nu
+
+# Load completions
+source ~/.cache/nu_scripts/custom-completions/cargo/cargo-completions.nu
+source ~/.cache/nu_scripts/custom-completions/git/git-completions.nu
+source ~/.cache/nu_scripts/custom-completions/make/make-completions.nu
+source ~/.cache/nu_scripts/custom-completions/npm/npm-completions.nu
+source ~/.cache/nu_scripts/custom-completions/typst/typst-completions.nu
diff --git a/run_nushell_generation.nu b/run_nushell_generation.nu
new file mode 100644
index 0000000..d59f030
--- /dev/null
+++ b/run_nushell_generation.nu
@@ -0,0 +1,12 @@
+#!/usr/bin/env nu 
+
+# Generate zoxide configuration
+if (which zoxide | is-empty) == false {
+	mkdir ~/.cache/zoxide/
+	zoxide init nushell --hook prompt | save --force ~/.cache/zoxide/zoxide.nu
+} 
+
+if (which starship | is-empty) == false {
+	mkdir ~/.cache/starship/
+	starship init nu | save --force ~/.cache/starship/init.nu
+}