The MAXIMUM LINKS parameter of the ADSO sysgen statement specifies the maximum number of dialog levels that can be established by each respective CA ADS application; keep this parameter low. A well designed application has as few levels as possible. The number of levels should be limited because, for each level established in the application, kept storage is acquired for the Variable Dialog Block (VDB) and the currency block. Storage established at a particular level is not released until control is passed upward.
To limit the number of levels established, use the TRANSFER command whenever possible; build the application horizontally (that is, pass control laterally) rather than vertically.
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