Encrypt Password for DataStage Command Line

As datastage user,  we need lots of scripts help our daily  jobs,  most of these scripts need authenticated by datastage engine,  that means we need to pass our Datastage user password in script or command line. 
                     But there is a problem if we are using "Password" here, It can be view by checking the content of script or command history. To secure password, there is a way provided by datastage and that is ENCRYPT the password before using. Let's see how we can do that ---

Encrypting Data using "tar" and "openssl" in Nix

The following shows an example of writing the contents of "tapetest" to tape:

        $ tar zcvf – tapetest | openssl des3 -salt  -k secretpassword | dd of=/dev/st0

     Reading the data back: