When you click Finish, the data you have entered in this wizard is saved. You return to the customization menu for UNIX System Services. The definition for a new mounted file system will be displayed on the Mounted File Systems tab of the File Systems property sheet.
msys builds a MOUNT statement for new file systems in the BPXPRMxx parmlib member. If you specified that you want to allocate a new data set, msys will allocate the data set and catalog it.
If you click Cancel, no data is saved. You return to the customization menu for UNIX System Services.