diff --git a/box_setup.sh b/box_setup.sh
index 3160640..5d19a11 100755
--- a/box_setup.sh
+++ b/box_setup.sh
@@ -54,7 +54,7 @@ export BOX_SETUP_UPDATE_PKGS_CMD="$update_pkgs_cmd"
 # make dirs and copy configs/dotfiles
 source ./src_files/.config/zsh/.zshenv
 ./make_dirs.sh
-./copy_configs.sh $2
+./copy_dotfiles.sh $2
 
 # install programs
 source $ZDOTDIR/.zshenv
diff --git a/copy_configs.sh b/copy_dotfiles.sh
similarity index 84%
rename from copy_configs.sh
rename to copy_dotfiles.sh
index 438391d..f4b0a27 100755
--- a/copy_configs.sh
+++ b/copy_dotfiles.sh
@@ -1,13 +1,13 @@
 #!/bin/zsh
 
-execute() { echo "executing: $@" && "$@" }
+echo_and_execute() { echo "executing: $@" && "$@" }
 
 copy_file() {
     local from=$1
     local to=$2
     local filename=$(basename $from)
-    [[ -e $to/$filename ]] && execute rm $to/$filename
-    execute cp -p $from $to/$filename
+    [[ -e $to/$filename ]] && rm $to/$filename
+    echo_and_execute cp -p $from $to/$filename
 }
 
 copy_dir() {
@@ -16,8 +16,8 @@ copy_dir() {
     pushd $from > /dev/null
     local directories=(`find . -mindepth 1 -maxdepth 1 -type d`)
     for dir in $directories; do
-        [[ -d $to/$dir ]] && execute rm -rf $to/$dir
-        execute cp -rp $dir $to/$dir
+        [[ -d $to/$dir ]] && rm -rf $to/$dir
+        echo_and_execute cp -rp $dir $to/$dir
     done
     local files=(`find . -mindepth 1 -maxdepth 1 -type f`)
     for file in $files; do
diff --git a/src_files/.config/asdf/.placeholder b/src_files/.config/asdf/.placeholder
deleted file mode 100644
index e69de29..0000000
diff --git a/src_files/.config/mise/config.toml b/src_files/.config/mise/config.toml
new file mode 100644
index 0000000..d5d6682
--- /dev/null
+++ b/src_files/.config/mise/config.toml
@@ -0,0 +1,4 @@
+[tools]
+go = "1"
+python = "3"
+ruby = "3"
diff --git a/src_files/.config/zsh/.zshenv b/src_files/.config/zsh/.zshenv
index ac464ed..39dbcc1 100644
--- a/src_files/.config/zsh/.zshenv
+++ b/src_files/.config/zsh/.zshenv
@@ -1,6 +1,7 @@
 # default programs
 export BROWSER='brave'
 export EDITOR='nvim'
+export TERMINAL='ghostty'
 
 # env vars used for my organization structure
 export DIR_HOME_BOX="$HOME/dbox"
@@ -23,7 +24,7 @@ export XDG_CACHE_HOME="$HOME/.cache"
 export XDG_DATA_HOME="$DIR_LOCAL/share"
 export XDG_STATE_HOME="$DIR_LOCAL/state"
 export XDG_DATA_DIRS="/usr/local/share:/usr/share"
-#export XDG_CONFIG_DIRS="/etc/xdg" # TODO: does this work on macos?
+#export XDG_CONFIG_DIRS="/etc/xdg" # TODO: does this work on macOS?
 
 # zsh
 export ZDOTDIR="$XDG_CONFIG_HOME/zsh" # may already be set, set anyway
@@ -31,12 +32,6 @@ export ZDOTDIR="$XDG_CONFIG_HOME/zsh" # may already be set, set anyway
 # git
 export GIT_EDITOR="$EDITOR"
 
-# language support/tools
-export ASDF_DIR="$XDG_CONFIG_HOME/asdf"
-export ASDF_CONFIG_FILE="$ASDF_DIR/.asdfrc"
-export ASDF_DATA_DIR="$DIR_LOCAL/.asdf"
-export ASDF_TOOL_VERSIONS_FILENAME=".asdf_tool_versions"
-
 # clean-up of home dir
 export __CF_USER_TEXT_ENCODING="0x0:0x0"
 
diff --git a/src_files/.config/zsh/.zshrc b/src_files/.config/zsh/.zshrc
index bcf6873..9be07dd 100644
--- a/src_files/.config/zsh/.zshrc
+++ b/src_files/.config/zsh/.zshrc
@@ -33,6 +33,7 @@ alias ncspotkeys="$EDITOR $DIR_GIT_PROJECTS/other/ncspot/doc/users.md"
 [[ -a "$ZDOTDIR/zsh-general-dev" ]] && source "$ZDOTDIR/zsh-general-dev"
 [[ -a "$ZDOTDIR/zsh-life-system" ]] && source "$ZDOTDIR/zsh-life-system"
 
-# TODO: refactor the below; simplify or at least move elsewhere
+# dev/lang setup
+[[ -n $(command -v mise) ]] && eval "$(mise activate zsh)"
 export DEVKITARM=/opt/devkitpro/devkitARM
-. $(brew --prefix asdf)/libexec/asdf.sh
+