diff --git a/private_dot_bashrc.d/aliases.sh b/private_dot_bashrc.d/aliases.sh
new file mode 100644
index 0000000..115ddc2
--- /dev/null
+++ b/private_dot_bashrc.d/aliases.sh
@@ -0,0 +1,37 @@
+if which lsd > /dev/null 2>&1 ; then
+  alias ls="lsd"
+else
+  alias ls="ls --color=auto"
+fi
+alias grep='grep --colour=auto'
+alias egrep='egrep --colour=auto'
+alias fgrep='fgrep --colour=auto'
+
+shopt -s expand_aliases
+
+# ex - archive extractor
+# usage: ex <file>
+ex ()
+{
+  if [ -f $1 ] ; then
+    case $1 in
+      *.tar.bz2)   tar xjf $1   ;;
+      *.tar.gz)    tar xzf $1   ;;
+      *.bz2)       bunzip2 $1   ;;
+      *.rar)       unrar x $1     ;;
+      *.gz)        gunzip $1    ;;
+      *.tar)       tar xf $1    ;;
+      *.tbz2)      tar xjf $1   ;;
+      *.tgz)       tar xzf $1   ;;
+      *.zip)       unzip $1     ;;
+      *.Z)         uncompress $1;;
+      *.7z)        7z x $1      ;;
+      *)           echo "'$1' cannot be extracted via ex()" ;;
+    esac
+  else
+    echo "'$1' is not a valid file"
+  fi
+}
+
+alias m4b-tool='docker run -it --rm -u $(id -u):$(id -g) -v "$(pwd)":/mnt m4b-tool'
+alias gcurl='curl --header "Authorization: Bearer $(gcloud auth print-identity-token)"'