Batch Programming - sgml/signature GitHub Wiki Frontend https://staltz.com/nothing-new-in-react-and-flux-except-one-thing.html https://reactjs.org/docs/design-principles.html Crontab https://crontab.guru/examples.html https://docs.aws.amazon.com/systems-manager/latest/userguide/reference-cron-and-rate-expressions.html Watch https://ss64.com/bash/watch.html https://en.wikipedia.org/wiki/Watch_(Unix) Expect https://wiki.tcl-lang.org/page/Expect+Examples http://www.softpanorama.org/Scripting/tcl.shtml