diff --git a/.tmux.conf b/.tmux.conf
new file mode 100644
index 0000000..fd47739
--- /dev/null
+++ b/.tmux.conf
@@ -0,0 +1,70 @@
+set -g @plugin 'tmux-plugins/tpm'
+set -g @plugin 'tmux-plugins/tmux-sensible'
+set -g @plugin 'tmux-plugins/tmux-resurrect'
+set -g @plugin 'catppuccin/tmux'
+set -g @plugin 'Morantron/tmux-fingers'
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+# catppuccin
+set -g @catppuccin_flavour 'mocha'
+
+set -g @catppuccin_window_left_separator " "
+set -g @catppuccin_window_right_separator ""
+set -g @catppuccin_window_middle_separator "█ "
+set -g @catppuccin_window_number_position "left"
+
+set -g @catppuccin_window_default_fill "number"
+set -g @catppuccin_window_default_text "#W"
+
+set -g @catppuccin_window_current_fill "number"
+set -g @catppuccin_window_current_text "#W"
+
+set -g @catppuccin_status_modules_left "directory"
+set -g @catppuccin_status_modules_right "user host session date_time"
+set -g @catppuccin_status_left_separator  " "
+set -g @catppuccin_status_right_separator ""
+set -g @catppuccin_status_right_separator_inverse "no"
+set -g @catppuccin_status_fill "icon"
+set -g @catppuccin_status_connect_separator "no"
+
+set -g @catppuccin_directory_text "#{pane_current_path}"
+set -g @catppuccin_date_time_text "%b %d • %I:%M %p"
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
+
+# Remap prefix.
+unbind C-b
+set-option -g prefix C-a
+bind-key C-a send-prefix
+
+# Vi copy mode.
+set-window-option -g mode-keys vi
+
+bind-key -T copy-mode-vi 'v' send -X begin-selection
+bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel
+
+# Better split commands.
+bind | split-window -h -c "#{pane_current_path}" # cmd-| in iTerm2
+bind - split-window -v -c "#{pane_current_path}" # cmd-- in iTerm2
+unbind '"'
+unbind %
+
+# Vi-like resizing.
+bind-key j resize-pane -D # cmd-j in iTerm2
+bind-key k resize-pane -U # cmd-k in iTerm2
+bind-key h resize-pane -L # cmd-h in iTerm2
+bind-key l resize-pane -R # cmd-l in iTerm2
+
+# Easy reload config.
+bind r source-file ~/.tmux.conf
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+# Install tpm if not already installed.
+if "test ! -d ~/.tmux/plugins/tpm" \
+   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"
+
+# Init tmux plugin manager.
+# Must be very last line!!
+run '~/.tmux/plugins/tpm/tpm'
diff --git a/fish/.config/fish/functions/dscleanup.fish.symlink b/fish/.config/fish/functions/dscleanup.fish.symlink
new file mode 100644
index 0000000..a865cf3
--- /dev/null
+++ b/fish/.config/fish/functions/dscleanup.fish.symlink
@@ -0,0 +1,5 @@
+#!/usr/bin/env fish
+
+function dscleanup -d "Recursively delete '.DS_Store' files"
+  find . -type f -name '*.DS_Store' -ls -delete
+end
diff --git a/fish/.config/fish/functions/up.fish.symlink b/fish/.config/fish/functions/up.fish.symlink
new file mode 100644
index 0000000..f5717f4
--- /dev/null
+++ b/fish/.config/fish/functions/up.fish.symlink
@@ -0,0 +1,22 @@
+#!/usr/bin/env fish
+
+source "$DOT/script/utils.fish"
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+function up -d "Update all software across all package managers"
+  set -f cmd "brew update && brew upgrade && brew cleanup"
+  set -a cmd "npm install npm -g && npm update -g"
+
+  if cmd_exists 'gem'
+    set -a cmd "sudo gem update --system && sudo gem update && sudo gem cleanup"
+  end
+
+  if [ "$(uname)" = "Darwin" ]
+    set -p cmd "sudo softwareupdate --install --all"
+  else if [ "$(uname)" = "Linux" ]
+    set -p cmd "sudo apt update && sudo apt upgrade"
+  end
+
+  echo (string join '; ' $cmd)
+end
diff --git a/fish/aliases.config.fish b/fish/aliases.config.fish
new file mode 100644
index 0000000..1f843f9
--- /dev/null
+++ b/fish/aliases.config.fish
@@ -0,0 +1,47 @@
+#!/usr/bin/env fish
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+# Shell aliases.
+abbr -a rl --position command "source ~/.config/fish/config.fish"
+abbr -a c  --position command "clear"
+abbr -a e  --position command "$EDITOR"
+abbr -a v  --position command "$EDITOR"
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+# Location aliases.
+abbr -a hack --position command "cd ~/hackin"
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+# Default command options.
+
+abbr -a cp --position command "cp -iv"
+#                                  │└─ list copied files
+#                                  └─ prompt before overwriting an existing file
+
+abbr -a mkdir --position command "mkdir -pv"
+#                                        │└─ list created directories
+#                                        └─ create intermediate directories
+
+abbr -a mv --position command "mv -iv"
+#                                  │└─ list moved files
+#                                  └─ prompt before overwriting an existing file
+
+abbr -a rm --position command "rm -rf"
+#                                  │└─ do not ask for confirmation
+#                                  └─ recursively remove directories and files
+
+# Colored grep output.
+abbr -a grep  --position command "grep  --color=auto"
+abbr -a fgrep --position command "fgrep --color=auto"
+abbr -a egrep --position command "egrep --color=auto"
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+if [ "$(uname)" = "Darwin" ]
+  abbr -a o --position command "open"
+else if [ "$(uname)" = "Linux" ]
+  abbr -a o --position command "xdg-open"
+end
diff --git a/git/aliases.config.fish b/git/aliases.config.fish
index d8ca5c3..1d7beb1 100644
--- a/git/aliases.config.fish
+++ b/git/aliases.config.fish
@@ -217,7 +217,7 @@ abbr -a glap --position command "git log --pretty=lf --graph --all --cc --patch"
 #                           Shortcuts to Feel Smart                            #
 ################################################################################
 
-function gprevision -a $N $path
+function gprevision -a N path
   git checkout \
     (git log --online $path | awk -v commit="$N" "FNR == -commit+1 {print $N}") \
     $path
diff --git a/git/install.fish b/git/install.fish
old mode 100644
new mode 100755
diff --git a/homebrew/brew_utils.fish b/homebrew/brew_utils.fish
index d35991a..225ebd3 100644
--- a/homebrew/brew_utils.fish
+++ b/homebrew/brew_utils.fish
@@ -1,6 +1,6 @@
 #!/user/bin/env fish
 
-source "$DOT/script/utils"
+source "$DOT/script/utils.fish"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
@@ -16,7 +16,7 @@ function brew_prefix
   end
 end
 
-function brew_tap -a $tap
+function brew_tap -a tap
   brew tap "$tap" &>/dev/null
 end
 
@@ -30,14 +30,14 @@ end
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-function brew_install -a $formula_readable_name $formula $arguments $tap_value
+function brew_install -a formula_readable_name formula arguments tap_value
   # Check that Homebrew is installed
   if ! cmd_exists "brew"
     print_error "$formula_readable_name ('Homebrew' is not installed)"
   end
 
   # If 'brew tap' needs to be executed, check if it executed correctly.
-  if [ -n "$tap_value"]
+  if [ -n "$tap_value" ]
     if ! brew_tap "$tap_value"
       print_error "$formula_readable_name ('brew tap $tap_value' failed)"
       return 1
diff --git a/node/node_utils.fish b/node/node_utils.fish
index 320b8c5..b8831c9 100644
--- a/node/node_utils.fish
+++ b/node/node_utils.fish
@@ -4,7 +4,7 @@ source "$DOT/script/utils.fish"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
-function npm_install -a $msg $pkg
+function npm_install -a msg pkg
   execute \
     "source $DOT/node/path.config.fish && npm install --global --silent $pkg" \
     "$msg"
diff --git a/script/dot.fish b/script/dot.fish
index 4b586c9..2d30551 100755
--- a/script/dot.fish
+++ b/script/dot.fish
@@ -12,20 +12,27 @@ source "$DOT/script/utils.fish"
 function set_os_prefs
   print_title "OS Preferences"
 
-  set os $(uname | string lower)
+  set -f os $(uname | string lower)
+  set -f file "{$DOT}/os/{$os}.fish"
 
-  "$DOT/os/$os.fish"
+  if [ -e "$file" -a -x "$file" ]
+    "$file"
+  end
 end
 
 ################################################################################
 #                               Symlink Dotfiles                               #
 ################################################################################
 
-function link_file -a $src $dst
+function link_file -a src dst
   set -f action
 
-  if [ -f "$dst" ] || [ -d "$dst" ] || [ -L "$dst" ]
-    
+  set -f overwrite ""
+  set -f backup ""
+  set -f skip ""
+
+  if [ -f "$dst" -o -d "$dst" -o -L "$dst" ]
+
     if ! $overwrite_all && ! $backup_all && ! $skip_all
       set -f current_src (readlink "$dst")
 
@@ -38,24 +45,32 @@ function link_file -a $src $dst
 
         switch $action
           case o
-            set -f overwrite true
+            set overwrite true
           case O
-            set -f overwrite_all true
+            set overwrite_all true
           case b
-            set -f backup true
+            set backup true
           case B
-            set -f backup_all true
+            set backup_all true
           case s
-            set -f skip true
+            set skip true
           case S
-            set -f skip_all true
+            set skip_all true
         end
       end
     end
 
-    set -q overwrite || set overwrite $overwrite_all
-    set -q backup || set backup $backup_all
-    set -q skip || set skip $skip_all
+    if [ -z "$overwrite" ]
+      set overwrite $overwrite_all
+    end
+
+    if [ -z "$backup" ]
+      set backup $backup_all
+    end
+
+    if [ -z $skip ]
+      set skip $skip_all
+    end
 
     if $overwrite
       rm -rf "$dst"
@@ -72,7 +87,7 @@ function link_file -a $src $dst
     end
   end
 
-  if ! $skip
+  if [ -z $skip ] || ! $skip
     # See of any directories need to be created.
     if echo "$dst" | grep -q '/' 2> /dev/null
       mkdir -p (string replace -r '\/[^\/]+$' '' "$dst")
@@ -88,14 +103,6 @@ function link_file -a $src $dst
   end
 end
 
-function make_dst -a $src
-  set -l path (string replace -a '/' '\/' "$DOT")
-  set -l regex (string join '' '^' "$path" '\/[a-zA-Z]+\/(.+)\.symlink$')
-  set -l dst (string replace -r $regex '$1' "$src")
-
-  printf '%s' "$HOME/$dst"
-end
-
 function install_dotfiles
   print_title "Installing Dotfiles"
 
@@ -103,8 +110,11 @@ function install_dotfiles
   set -g backup_all false
   set -g skip_all false
 
-  for src in (find -H "$DOT" -name "*.symlink" -not -path ".git")
-    link_file $src (make_dst $src)
+  set -l path (string replace -a '/' '\/' "$DOT")
+  set -l regex (string join '' '^' "$path" '\/[a-zA-Z]+\/(.+)\.(sym|hard)link$')
+
+  for src in (find -H "$DOT" -name "*.symlink" -or -name "*.hardlink" -not -path ".git")
+    link_file $src "$(string replace -r $regex '$1' "$src")"
   end
 end
 
diff --git a/script/utils.fish b/script/utils.fish
index b36f819..cbc1fbc 100755
--- a/script/utils.fish
+++ b/script/utils.fish
@@ -2,50 +2,50 @@
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
-function print_in_color -a $color $text
+function print_in_color -a text color
   printf '%b' \
     "$(tput setaf $color 2> /dev/null)" \
     $text \
     "$(tput sgr0 2> /dev/null)"
 end
 
-function print_in_red -a $text
+function print_in_red -a text
   print_in_color $text 1
 end
 
-function print_in_yellow -a $text
+function print_in_yellow -a text
   print_in_color $text 3
 end
 
-function print_in_green -a $text
+function print_in_green -a text
   print_in_color $text 2
 end
 
-function print_in_purple -a $text
+function print_in_purple -a text
   print_in_color $text 5
 end
 
-function print_title -a $text
+function print_title -a text
   print_in_purple "\n • $text\n\n"
 end
 
-function print_success -a $text
+function print_success -a text
   print_in_green "   [✔] $text\n"
 end
 
-function print_warning -a $text
+function print_warning -a text
   print_in_yellow "   [!] $text\n"
 end
 
-function print_error -a $text $text2
+function print_error -a text text2
   print_in_red "   [✖] $text $text2\n"
 end
 
-function print_question -a $text
+function print_question -a text
   print_in_yellow "   [?] $text\n"
 end
 
-function print_result -a $exit_code $text
+function print_result -a exit_code text
   if [ "$exit_code" -eq 0 ]
     print_success $text
   else
@@ -63,7 +63,7 @@ end
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
-function show_spinner -a $pid $cmds $msg
+function show_spinner -a pid cmds msg
   set -l frames '/-\|'
 
   set -l number_of_frames (string length $FRAMES)
@@ -91,7 +91,7 @@ end
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
-function set_trap -a $sig $func
+function set_trap -a sig func
   trap -p "$sig" | grep "$func" &> /dev/null \
     || trap "$func" "$sig"
 end
@@ -107,10 +107,12 @@ end
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
-function execute -a $cmds
-  set -q $argv[2] and set -l msg $argv[2] or set -l msg "$cmds"
+function execute -a cmds msg
+  if ! set -q msg
+    set -f msg "$cmds"
+  end
 
-  set -l tmp_file "$(mktmp /tmp/XXXXX)"
+  set -l tmp_file "$(mktemp /tmp/XXXXX)"
 
   set -l exit_code 0
 
@@ -134,3 +136,9 @@ function execute -a $cmds
 
   return $exit_code
 end
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+function cmd_exists -a cmd
+  command -v "$cmd" &>/dev/null
+end
diff --git a/zsh/.zshrc.oh-my-zsh b/zsh/.zshrc.oh-my-zsh
deleted file mode 100644
index 63b3382..0000000
--- a/zsh/.zshrc.oh-my-zsh
+++ /dev/null
@@ -1,97 +0,0 @@
-#!/usr/bin/env zsh
-
-# Base path.
-export PATH="$HOME/bin:/usr/local/bin:$PATH"
-
-# Path to your oh-my-zsh installation.
-export ZSH="$HOME/.oh-my-zsh"
-
-# Dotfiles root dir.
-export DOT="$HOME/dotfiles"
-
-# Projects dir.
-export HACK="$HOME/hackin"
-
-# Theme.
-ZSH_THEME=""
-
-# Use hyphen-insensitive completion.
-# Case-sensitive completion must be off. _ and - will be interchangeable.
-HYPHEN_INSENSITIVE="true"
-
-# Auto-update behavior.
-# zstyle ':omz:update' mode disabled # disable automatic updates
-# zstyle ':omz:update' mode auto     # update automatically without asking
-zstyle ':omz:update' mode reminder # just remind me to update when it's time
-
-# Display red dots whilst waiting for completion.
-# You can also set it to another string to have that shown instead of the
-# default red dots.
-# e.g. COMPLETION_WAITING_DOTS="%F{yellow}waiting...%f"
-COMPLETION_WAITING_DOTS="true"
-
-# Plugins to load.
-# Standard plugins can be found in $ZSH/plugins/
-# Custom plugins may be added to $ZSH_CUSTOM/plugins/
-plugins=(git zsh-syntax-highlighting zsh-autosuggestions colored-man-pages gh gulp iterm2 laravel macos npm nvm sudo thefuck)
-
-# iTerm2 Shell Integration
-if [[ "$(uname)" == "Darwin" ]] && [[ $(mdfind "iTerm.app") ]]; then
-  zstyle ':omz:plugins:iterm2' shell-integration yes
-fi
-
-# the fuck
-eval $(thefuck --alias)
-
-# zsh completions
-fpath+=${ZSH_CUSTOM:-${ZSH:-~/.oh-my-zsh}/custom}/plugins/zsh-completions/src
-
-source $ZSH/oh-my-zsh.sh
-
-# Local environment variables.
-if [[ -e $HOME/.local.env ]]; then
-  source ~/.local.env
-fi
-
-# All zsh dotfiles.
-typeset -U config_files
-config_files=($DOT/**/*.zsh)
-
-# Load path files first.
-for file in ${(M)config_files:#*/path.zsh}; do
-  source $file
-done
-
-# Load everything else, except completion.
-for file in ${${config_files:#*/path.zsh}:#*/completion.zsh}; do
-  source $file
-done
-
-# Initialize autocomplete.
-autoload -U compinit
-compinit
-
-# Load autocompletions.
-for file in ${(M)config_files:#*/completion.zsh}; do
-  source $file
-done
-
-unset config_files
-
-# Starship
-eval "$(starship init zsh)"
-
-# Herd injected PHP binary.
-export PATH="/Users/marley/Library/Application Support/Herd/bin/":$PATH
-
-
-# Herd injected PHP 8.2 configuration.
-export HERD_PHP_82_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/82/"
-
-
-# Herd injected PHP 8.3 configuration.
-export HERD_PHP_83_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/83/"
-
-
-# Herd injected PHP 8.1 configuration.
-export HERD_PHP_81_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/81/"
diff --git a/zsh/.zshrc.symlink b/zsh/.zshrc.symlink
deleted file mode 100644
index aff0bdd..0000000
--- a/zsh/.zshrc.symlink
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/usr/bin/env zsh
-
-# Remove that annoying 'last logged in' message.
-# Tested this method vs in iTerm settings - latter is less portable and slower.
-printf '\33c\e[3J'
-
-# Base path.
-export PATH="$HOME/bin:/usr/local/bin:$HOME/dotfiles/bin:$PATH"
-
-# Dotfiles root dir.
-export DOT="$HOME/dotfiles"
-
-# Projects dir.
-export HACK="$HOME/hackin"
-
-# Local environment variables.
-if [[ -e $HOME/.local.env ]]; then
-  source ~/.local.env
-fi
-
-# All zsh dotfiles.
-typeset -U config_files
-config_files=($DOT/**/*.zsh)
-
-# Load path files first.
-for file in ${(M)config_files:#*/path.zsh}; do
-  source $file
-done
-#
-# Initialize autocomplete.
-autoload -U compinit
-compinit
-
-# Load everything else, except completion.
-for file in ${${config_files:#*/path.zsh}:#*/completion.zsh}; do
-  source $file
-done
-
-# Load autocompletions.
-for file in ${(M)config_files:#*/completion.zsh}; do
-  source $file
-done
-
-unset config_files
-
-# Starship
-export STARSHIP_CONFIG=$DOT/zsh/starship.toml
-eval "$(starship init zsh)"
-
-# Zsh Autosuggestions
-source $(brew --prefix)/share/zsh-autosuggestions/zsh-autosuggestions.zsh
-
-# The Fuck
-eval "$(thefuck --alias)"
-
-# Zsh Syntax Highlighting
-# Must go last!!!
-source $(brew --prefix)/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
-
-# Herd injected PHP binary.
-export PATH="/Users/marley/Library/Application Support/Herd/bin/":$PATH
-
-
-# Herd injected PHP 8.2 configuration.
-export HERD_PHP_82_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/82/"
-
-
-# Herd injected PHP 8.3 configuration.
-export HERD_PHP_83_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/83/"
-
-
-# Herd injected PHP 8.1 configuration.
-export HERD_PHP_81_INI_SCAN_DIR="/Users/marley/Library/Application Support/Herd/config/php/81/"