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COSMOS is a personal business application similar to the MSDOS-era PC applications and one of the most recent projects developed for CP/M-80. COSMOS runs under [[CP/M|CP/M 2.2]] (the Dobbertin 63 KB TPA version) and is built upon the mouse based graphics user interface as pioneered by Xerox at Palo Alto and popularized by Apple with the Lisa and Macintosh computers. COSMOS can be used to edit the daily income, plan the monthly expenses and perform trial and error analyses in order to maximize the annual profit. A full annual project of COSMOS, including the user attachments, the user block of invoices, the summary files as well as the user agenda notices can hardly run on a standard CPC6128 as it requires minimum 350 KB of disc space. In order to process and store the aforementioned data, COSMOS makes full use of the CP/M memory resources and CPC's peripherals. Thus, in order to properly run COSMOS, the suggested CPC6128 following configuration pertains to is suggested: +800 KB FD, +512 KB RAM, +20 MB HD, +RS232C, +DM printer, +CTM monitor(for the screen saver), +[[AMX Mouse]]. Notice that the latter configuration resembles to a well equipped 8086/8088 PC computer. <br><br>