+if (( $+commands[pacman] )); then
+ kercmp -q || short "linux" "$(kercmp)"
+fi
+
+if (( $+commands[systemctl] )); then
+ if (( $(systemctl show -P NFailedUnits) )); then
+ systemctl list-units -q --failed
+ fi
+fi
+
+# list sessions if possible
+tmux list-sessions 2>/dev/null || true