diff --git a/distro/arch/pacman b/distro/arch/pacman
index eafd611..a4a24e4 100644
--- a/distro/arch/pacman
+++ b/distro/arch/pacman
@@ -3,16 +3,29 @@
 # https://wiki.archlinux.org/title/Pacman 
 alias pm="pacman"
 alias pms="sudo pacman"
+# install including needed packages
 alias pmi="sudo pacman -S --needed"
+#  remove a package and its dependencies which are not required by any other installed package:
 alias pmr="sudo pacman -Rs"
+# update all
 alias pmua="sudo pacman -Syu"
+# update only the repository database
+alias pmur="sudo pacman -Syy"
+# search for packages in the database, searching both in packages' names and descriptions:
 alias pms="pacman -Ss"
+# list all installed packages
 alias pml="pacman -Qe"
+# list packages with grep
 alias pmlg="pacman -Qe | grep"
 # https://unix.stackexchange.com/a/409903/201387
+# get a list of user added packages
 alias pmlf="comm -23 <(pacman -Qqett | sort | uniq) <(pacman -Qqg base-devel | sort | uniq)"
+# get status of a package
 alias pkgst="pacman -Qi"
+# get info of a packaage
 alias pkgi="pacman -Si"
+# uses pamac to build/update an AUR.  use in place of other AUR managers like yay
+alias pkaurbld="pamac build"
 
 
 
diff --git a/distro/distros.csv b/distro/distros.csv
deleted file mode 120000
index 454dec4..0000000
--- a/distro/distros.csv
+++ /dev/null
@@ -1 +0,0 @@
-/data/Hacking/computing/docker/uci-docker-build/core/rootfs/opt/lib/distros.csv
\ No newline at end of file
diff --git a/distro/distros.csv b/distro/distros.csv
new file mode 100644
index 0000000..3848ff6
--- /dev/null
+++ b/distro/distros.csv
@@ -0,0 +1,7 @@
+# valid distros list
+# the distro must be the name used in /etc/os-release
+# <distro>,<core image name>,<install command>,<update command>
+alpine,alpine, apk add --no-cache, apk update
+debian,debian, apt-get install -y, apt-get update
+arch, archlinux,pacman -S --noconfirm --needed, pacman -Syu
+ubuntu, ubuntu, apt-get install -y, apt-get update 
\ No newline at end of file