Running an AIX using class and had students do a
ls -R / &
This should have stopped almost instantly as ls tried to write to terminal.
Instead, ls spilled its guts out.
Found that stty had terminal output stop option off. (that is, stty -tostop)
This is not the posix standard. Has anybody else run into this (4.3.2 works properly).
Is this a bug? Or should I check more and see if somebody decided to override a default