diff --git a/fish/install.fish b/fish/install.fish
index 73fcb91..c3ffcbf 100755
--- a/fish/install.fish
+++ b/fish/install.fish
@@ -15,3 +15,4 @@ brew_install "FiraCode Nerd Font" font-fira-code-nerd-font "" homebrew/cask-font
 brew_install "Starship Prompt" starship
 brew_install "The Fuck" thefuck
 npm_install "tldr pages" tldr
+brew_install exa exa
diff --git a/javascript/install.fish b/javascript/install.fish
index 3903233..e7b7e62 100755
--- a/javascript/install.fish
+++ b/javascript/install.fish
@@ -2,6 +2,7 @@
 
 source "$DOT/script/utils.fish"
 source "$DOT/node/node_utils.fish"
+source "$DOT/homebrew/brew_utils.fish"
 
 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
diff --git a/os/macos.fish b/os/darwin.fish
similarity index 100%
rename from os/macos.fish
rename to os/darwin.fish
diff --git a/os/macos/finder.pref.fish b/os/macos/finder.pref.fish
index 55da381..dfd79e2 100755
--- a/os/macos/finder.pref.fish
+++ b/os/macos/finder.pref.fish
@@ -12,7 +12,7 @@ execute "defaults write com.apple.finder _FXShowPosixPathInTitle -bool true" \
 execute "defaults write com.apple.finder WarnOnEmptyTrash -bool false" \
     "Disable the warning before emptying the trash"
 
-execite "defaults write com.apple.finder FXDefaultSearchScope -string 'SCcf'" \
+execute "defaults write com.apple.finder FXDefaultSearchScope -string 'SCcf'" \
     "Search the current directory by default"
 
 execute "defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false" \
@@ -30,7 +30,7 @@ execute "defaults write -g AppleShowAllExtensions -bool true" \
 execute "defaults write com.apple.finder AppleShowAllFiles -bool true" \
     "Show hidden files"
 
-execite "defaults write com.apple.finder _FXSortFoldersFirst -bool true" \
+execute "defaults write com.apple.finder _FXSortFoldersFirst -bool true" \
     "Keep folders on top when sorting by name"
 
 execute "defaults write com.apple.finder FXRemoveOldTrashItems -bool true" \
diff --git a/os/macos/networking.pref.fish b/os/macos/networking.pref.fish
old mode 100644
new mode 100755
diff --git a/script/dot.fish b/script/dot.fish
index 12f1c4a..fc8afd0 100755
--- a/script/dot.fish
+++ b/script/dot.fish
@@ -14,7 +14,7 @@ function set_os_prefs
     print_title "OS Preferences"
 
     set -f os $(uname | string lower)
-    set -f file "{$DOT}/os/{$os}.fish"
+    set -f file "$DOT/os/$os.fish"
 
     if [ -e "$file" -a -x "$file" ]
         "$file"
diff --git a/script/utils.fish b/script/utils.fish
index f7b4257..9df1752 100755
--- a/script/utils.fish
+++ b/script/utils.fish
@@ -127,7 +127,7 @@ function execute -a cmds msg
     set_trap EXIT kill_all_subproccesses
 
     eval "$cmds" &>/dev/null 2>$tmp_file &
-    set cmds_pid $last_pid
+    set cmds_pid $fish_pid
 
     show_spinner $cmds_pid $cmds $msg