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Naming Conventions—z/VM

Use the following format to name z/VM files under the CMS operating system:

filename.filetype

The two parts can be a maximum of eight characters in length. They can consist of letters, numbers, and/or national characters ($, #, @, +, -, :, _). In general, lowercase letters are not allowed. In the CA XCOM Data Transport for z/VM parameters FILE and LFILE, the file name and file type are specified as one string with a period as a separator.

For minidisk specifications:

• CP OWNER is taken from the volume field, if present. Otherwise, the userid field is used.
• CP address is taken from the unit specification. The default is 191.
• You can have two files with the same file name and file type, but they cannot reside on the same minidisk.