====== Job Control Options ======

''auto_resume''
  * if you've got a simple command suspened, say 'mutt', and you forgot that you have already got a mutt running and try to start another mutt, the old running mutt is resumed, rather than starting a new process

''bg_nice''
  * run background jobs at lower priority

''hup''
  * send SIGHUP to background processes on exit.

''notify''
  * report status of background jobs immediately

''auto_continue''
  * if set, stopped jobs are disowned and restarted immediately

''check_jobs''
  * report status of bg-jobs if exiting a shell with job control enabled