./daemon.pl&
[3] 5270
dad@dad:/mnt/sda14/home/dad$ ./xpt5a.pl
             total       used       free     shared    buffers     cached
Mem:          3948        762       3186          0         42        146
-/+ buffers/cache:        573       3375
Swap:         2392         36       2355
#Before array setup - using system("date");: Fri Feb 19 09:14:43 GMT 2010

$?=0x0 $!=
#Finished setup of two arrays 5761 x 2881
#After array setup - from the daemon: Fri Feb 19 09:14:55 GMT 2010

$?=0x0 $!=No such file or directory
             total       used       free     shared    buffers     cached
Mem:          3948       3927         21          0         42        146
-/+ buffers/cache:       3738        210
Swap:         2392         36       2355

#End