add this to your .bashrc, .bashprofile or ..zshrc or whatever to run archey on startup. Of course you need to install archey with brew (brew install archey)
# some fancy startup stuff
# startup check found here
# http://stackoverflow.com/a/677212/1770432
startuparchy() {
if hash archey 2>/dev/null; then
archey -c
else
echo "you have archey in your startup but it does not exist"
echo "run 'brew install archey' to fix that"
fi
}
startuparchy