Console

2 exercises work on this concept, by writing code in the browser.

In Practice

• Stop a long command cleanly with schedule:interrupt schedule:interrupt timestamps its signal, and hasBeenInterruptedSince() reads it: a long command stops between two batches, without cutting the current one.
• Docker-style sub-commands tenant --name=acme users list: the group carries the option once, each sub-command reads it from the command chain.