Transaction Management eXecutive

Features

• It was a multiuser, multitasking 32-bit operating system.
• It featured a proprietary network called LBN.
• Later versions of TMX had Token-Ring support which was called LBN Emulation.
• It had device support for financial applications on LBN, e.g. NCR dumb terminals, passbook printers, cash dispensers, magnetic stripe reader and pinpad.
• It contained SNA LU emulations for mainframe connectivity.
• Peripheral device configuration was fixed during boot time. Configuration changes were made using the SYSGEN command.
• It supported a flat file system; there were no subdirectories. File name format was like this: diskname:usernumber.catalogname.filename.ext;version
• Files had various types, like text files and index sequential data files.
• Main programming language was Whitesmiths C, but the compiler was not ANSI C compliant.
• It had limited memory and disk.