I was hoping someone in the list might be able to help me understand why
this happens.

i have a script a.ksh that looks like this
a.ksh
------
ksh b.ksh
------

b.ksh
-------
su - updater -c "/prod/exe/pos2100" 2>&1 $log1 &
su - updater -c "/prod/exe/pos2100" 2>&1 $log2 &
su - updater -c "/prod/exe/pos2100" 2>&1 $log3 &
su - updater -c "/prod/exe/pos2100" 2>&1 $log4 &
wait
-------



when i run this only 1 of the background runs and the other 3 hang 

but if i change a.ksh to this
------
ksh b.ksh 2>&1 /dev/null
------

everything works ok and all 4 jobs go into background and run fine

coudl someone tell me why this happens
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-- 
Author: david hill
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