> I think what bugs me most about this problem in the shell is that it's so uncharacteristic if the Bell Labs people to have made such an unforced error. Bell

> I think what bugs me most about this problem in the shell is that it's so uncharacteristic if the Bell Labs people to have made such an unforced error. Bell Labs fixed it with the shell called “tc”. They can’t be blamed that you ignored it. https://www.scs.stanford.edu/nyu/04fa/sched/readings/rc.pdf https://www.scs.stanford.edu/nyu/04fa/sched/readings/rc.pdf