Name Lengths
You can supply the following names in the following lengths:
Physical device name : up to 15 characters
Save set comment : up to 53 characters
Save set name on disk : up to 53 characters ([directory]filename.type)
Save set name on tape : up to 17 characters (filename.type)
Tape label : up to 6 characters for each label;
up to 53 characters in a comma-separated list
Template name : up to 31 characters
File name : up to 53 characters on function screen;
: up to 75 characters on the Multiple File Name
Entry Box