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No its part of a legacy system and cant be changed.
I just want it removed from ps. how can i use pipe or file for that.

i have a shell script which calls a java program with username and password arguments.


#!/bin/ksh

#set some classpaths here

#finally run the command
java com.test -u $U -p $P


Now...

Thanks both work fine and good enough for me.
In the second example, what kind of redirection is <&3 and then 3< ?

I have a script test.sh which reads various inputs from a user.

#!/bin/ksh
read x
read y
read z

echo x: $x y: $y z: $z
# read few more things again

read a
read b

echo a: $a b: $b
...