diff --git a/dot_aliases b/dot_aliases
new file mode 100644
index 0000000..7be42a7
--- /dev/null
+++ b/dot_aliases
@@ -0,0 +1,30 @@
+# Only create aliases if the underlying programs are available
+# This allows portability between machines in different states
+alias_if_exists () {
+  ALIAS=${1}
+  COMMAND=${2}
+  ARGS=${3}
+  if [ $(command -v $COMMAND) ]; then
+    if [ -n "$ARGS" ]; then
+      alias $ALIAS="$COMMAND $ARGS"
+    else
+      alias $ALIAS="$COMMAND"
+    fi
+  fi
+}
+
+# Context-sensitive aliases
+alias_if_exists config git '--git-dir=$HOME/.cfg/ --work-tree=$HOME'
+alias_if_exists bat batcat
+alias_if_exists cat bat
+alias_if_exists ls lsd
+
+# Universal aliases
+alias please='sudo $(fc -ln -1)'
+alias nrun='__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia __VK_LAYER_NV_optimus="NVIDIA_only"'
+
+# Alias-like functions
+nd () {
+  mkdir "$1"
+  cd "$1"
+}
diff --git a/executable_dot_bashrc b/executable_dot_bashrc
index 25ee6f8..76384db 100644
--- a/executable_dot_bashrc
+++ b/executable_dot_bashrc
@@ -16,6 +16,7 @@ export PATH
 # export SYSTEMD_PAGER=
 
 # User specific aliases and functions
+source $HOME/.aliases
 
 # Make the prompt pretty, just in case we're stuck in bash land
 export PS1="[\[\e[32m\]\u\[\e[m\]@\[\e[33m\]\h\[\e[m\] \[\e[34m\]\W\[\e[m\]] \\$ "
diff --git a/executable_dot_zshrc b/executable_dot_zshrc
index 47b3aa9..b5b36be 100644
--- a/executable_dot_zshrc
+++ b/executable_dot_zshrc
@@ -127,56 +127,22 @@ if [ ! -n "$SSH_CONNECTION" ]; then
   ZLE_RPROMPT_INDENT=0
 fi
 
-# Personal aliases
 alias zshconfig="$EDITOR ~/.zshrc"
-alias ohmyzsh="$EDITOR ~/.oh-my-zsh"
-alias zshrefresh="source ~/.zshrc"
-
-# Dotfiles sync command
-alias config='/usr/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME'
-
-# Check for Ubuntu's name for bat
-if [[ $(command -v batcat) ]]; then
-  alias bat="batcat"
-fi
+source $HOME/.aliases
 
 # Replace cat with bat
 if [[ $(command -v bat) ]]; then
-  alias cat="bat"
   export BAT_PAGER="less -RF"
   export MANPAGER="sh -c 'col -bx | bat -l man -p'"
   export MANROFFOPT="-c"
 fi
 
-# Replace ls with lsd
-if [[ $(command -v lsd) ]]; then
-  alias ls="lsd"
-fi
-
 # Add notification support for long-running processes
 if [[ $(command -v ntfy) ]]; then
   eval "$(ntfy shell-integration --longer-than 30)"
   export AUTO_NTFY_DONE_IGNORE="vim nano emacs zshconfig screen tmux ssh top htop less more most nethogs 'singularity shell' julia man"
 fi
 
-# Replace VSCode with pure FOSS alternative
-if [[ $(command -v codium) ]] && [[ ! $(command -v code) ]]; then
-  alias code="codium"
-fi
-
-# Make forgetting sudo less painful
-alias please='sudo $(fc -ln -1)'
-
-# Make and change directories in one easy step
-# nd = New Directory
-nd () {
-  mkdir "$1"
-  cd "$1"
-}
-
-# Make running programs on the GPU less painful
-alias nrun='__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia __VK_LAYER_NV_optimus="NVIDIA_only"'
-
 # Set the Nextflow enviroment caches
 export NXF_HOME="$HOME/.nextflow"
 export NXF_CONDA_CACHEDIR="$NXF_HOME/conda"