Anonymous
public text v1 · immutablecat /dev/urandom > /dev/dsp
bash: /dev/dsp: Device or resource busy
[jmcg@Laptorix ~]$ lsof /dev/dsp
[jmcg@Laptorix ~]$ echo $?
1
cat /dev/urandom > /dev/dsp
bash: /dev/dsp: Device or resource busy
[jmcg@Laptorix ~]$ lsof /dev/dsp
[jmcg@Laptorix ~]$ echo $?
1