[$] VSTATUS, with or without SIGINFO

The Unix signalinterface is complex and hard to work with; some developers have argued that its design is"unfixable". So when Walt Drummond proposedincreasing the number of signals that Linux systems could manage, eyebrowscould be observed at increased altitude across the Internet. The proposedincrease seems unlikely to happen, but the underlying goal - to support adecades-old feature from other operating systems - may yet become areality.