[NCLUG] Bashing lost children

[Tkil]

>>>>> "Michael" == Michael Dwyer <mdwyer at sixthdimension.com> writes:

Michael> Okay, so you know how the shell variable $$ stands for the
Michael> PID of the shell?  Great.  Now, what if you want to keep
Michael> track of the PID of a process that the shell spawns.

info '(bash)Special Parameters':

| `!'
|      Expands to the process ID of the most recently executed
|      background (asynchronous) command.

so:

| $ sleep 20 &
| [1] 8402
| $ echo $!
| 8402

t.