The Winter's Tale play contains one of the most famous Shakespearean stage directions: "Exit, pursued by a bear", presaging the offstage death of Antigonus. It is not known whether Shakespeare used a real bear from the London bear-pits, or an actor in bear costume. The Royal Shakespeare Company, in one production of this play, used a large sheet of silk which moved and created shapes, to symbolise both the bear and the gale in which Antigonus is travelling. One comic moment in the play deals with a servant not realising that poetry featuring references to dildos is vulgar, presumably from not knowing what
Exit status wait interfaces, the visible exit code only contains the low 8 bits of the exit code. Shell scripts typically execute commands and capture their exit statuses. For the shell’s purposes, a command which exits with a zero exit status has succeeded. A nonzero exit status indicates failure. This seemingly counter-intuitive scheme is used so there is one well-defined way to indicate success and a variety of ways to indicate various failure modes. When a command is terminated by a signal whose number is N, a shell sets the variable $? to a value greater than 128. Most shells use 128+N,