diff --git a/dot_aliases.tmpl b/dot_aliases.tmpl
index 45b6949..ec25204 100644
--- a/dot_aliases.tmpl
+++ b/dot_aliases.tmpl
@@ -12,6 +12,11 @@ alias ls=lsd
 alias code=codium
 {{- end }}
 
+# Platform-specific aliases
+{{- if eq .chezmoi.os "darwin" }}
+alias nproc='sysctl -n hw.logicalcpu'
+{{- end }}
+
 # Universal aliases
 alias config='git --git-dir=$HOME/.cfg/ --work-tree=$HOME'
 alias please='sudo $(fc -ln -1)'
diff --git a/dot_hooks.tmpl b/dot_hooks.tmpl
index a025c71..71a5e17 100644
--- a/dot_hooks.tmpl
+++ b/dot_hooks.tmpl
@@ -1,6 +1,7 @@
+# shellcheck shell=sh
 # >>> conda initialize >>>
 # !! Contents within this block are managed by 'conda init' !!
-__conda_setup="$($HOME/miniconda3/bin/conda shell.$(basename $(readlink -f /proc/$$/exe)) 'hook' 2> /dev/null)"
+__conda_setup="$($HOME/miniconda3/bin/conda shell.$SH 'hook' 2> /dev/null)"
 if [ $? -eq 0 ]; then
     eval "$__conda_setup"
 else
@@ -18,7 +19,7 @@ fi
 # <<< conda initialize <<<
 
 {{- if lookPath "direnv" }}
-eval "$(direnv hook $(basename $(readlink -f /proc/$$/exe)))"
+eval "$(direnv hook $SH)"
 {{- end }}
 
 if [ -f $HOME/.ion/bin/ion ]; then
@@ -27,8 +28,8 @@ if [ -f $HOME/.ion/bin/ion ]; then
 fi
 
 # Import GNU parallel
-if [ $(command -v env_parallel.$(basename $(readlink -f /proc/$$/exe))) ]; then
-  source $(which env_parallel.$(basename $(readlink -f /proc/$$/exe)))
+if [ $(command -v env_parallel.$SH) ]; then
+  source $(which env_parallel.$SH)
 fi
 
 {{- if eq .machinetype "workstation" }}
diff --git a/dot_profile b/dot_profile.tmpl
similarity index 52%
rename from dot_profile
rename to dot_profile.tmpl
index 01f5e0d..035d52a 100644
--- a/dot_profile
+++ b/dot_profile.tmpl
@@ -7,18 +7,10 @@ export PATH="$HOME/.julia/bin:$PATH"
 export PATH="$HOME/.julia/juliaup/bin:$PATH"
 export PATH="$HOME/.juliaup/bin:$PATH"
 
-# Linuxbrew setup
-if [ -d $HOME/../linuxbrew/.linuxbrew ]; then
-  BREWPATH=$HOME/../linuxbrew/.linuxbrew
-elif [ -d $HOME/.linuxbrew ]; then
-  BREWPATH=$HOME/.linuxbrew
-fi
-
-if [ -n "$BREWPATH" ]; then
-  eval "$($BREWPATH/bin/brew shellenv)"
-  export HOMEBREW_MAKE_JOBS=1
-  export HOMEBREW_NO_ANALYTICS=1
-fi
+{{ if eq .chezmoi.os "darwin" }}
+# Homebrew setup
+eval "$(/opt/homebrew/bin/brew shellenv)"
+{{ end }}
 
 if [ -e "$HOME/.nix-profile/etc/profile.d/nix.sh" ]; then
   . "$HOME/.nix-profile/etc/profile.d/nix.sh"
diff --git a/executable_dot_bashrc.tmpl b/executable_dot_bashrc.tmpl
index 34b39c0..619df33 100644
--- a/executable_dot_bashrc.tmpl
+++ b/executable_dot_bashrc.tmpl
@@ -1,16 +1,17 @@
 # shellcheck shell=bash
 # .bashrc
+export SH=bash
 
 if [ -f "$HOME/.modules" ]; then
   source $HOME/.modules
 fi
 
-# Hook virtual environment modifers
-source $HOME/.hooks
-
 # User specific aliases and functions
 source $HOME/.aliases
 
+# Hook virtual environment modifers
+source $HOME/.hooks
+
 source $HOME/.envvar
 
 # Make the prompt pretty, just in case we're stuck in bash land
diff --git a/executable_dot_zshrc.tmpl b/executable_dot_zshrc.tmpl
index 4529d6f..210e161 100644
--- a/executable_dot_zshrc.tmpl
+++ b/executable_dot_zshrc.tmpl
@@ -1,4 +1,5 @@
-{{- if eq .chezmoi.os "linux" }}
+export SH=zsh
+{{ if or (eq .chezmoi.os "linux") (eq .chezmoi.os "darwin") }}
 {{- if or
   (eq .machinetype "workstation")
   (eq .chezmoi.osRelease.id "fedora")
@@ -51,6 +52,9 @@ antigen theme https://gist.github.com/efde5e8d507bd3e1e046198b69d579f8.git gianu
 HYPHEN_INSENSITIVE="true"
 COMPLETION_WAITING_DOTS="true"
 
+alias zshconfig="$EDITOR ~/.zshrc"
+source $HOME/.aliases
+
 source $HOME/.hooks
 
 # Tell Antigen that you're done
@@ -64,10 +68,8 @@ bashcompinit
 
 source $HOME/.envvar
 
-alias zshconfig="$EDITOR ~/.zshrc"
-source $HOME/.aliases
 
-{{- if eq .chezmoi.os "linux" }}
+{{ if or (eq .chezmoi.os "linux") (eq .chezmoi.os "darwin") }}
 {{ if or
   (eq .machinetype "workstation")
   (eq .chezmoi.osRelease.id "fedora")