The default working mode of Visual COBOL Development Hub is 64-bit.
For UNIX or Linux platforms that support both 32 and 64-bit, you can change the working mode to 32-bit and use Visual COBOL Development Hub to create both 32-bit and 64-bit applications.
You can set the working mode at any time using either the COBMODE environment variable which sets the local working mode or the cobmode command which sets the global working mode.
The working mode is determined using the following rules, listed in order, most significant first