Exit status codes for programs. See sysexits(3) for more info.
The source for this egg is available here.
These values correspond to the exit codes defined by sysexits(3) and have the following approximate meanings:
exit/ok ; successful termination exit/usage ; command line usage error exit/dataerr ; data format error exit/noinput ; cannot open input exit/nouser ; addressee unknown exit/nohost ; host name unknown exit/unavailable ; service unavailable exit/software ; internal software error exit/oserr ; system error (e.g., can't fork) exit/osfile ; critical OS file missing exit/cantcreat ; can't create (user) output file exit/ioerr ; input/output error exit/tempfail ; temp failure; user is invited to retry exit/protocol ; remote error in protocol exit/noperm ; permission denied exit/config ; configuration error