Disk BASIC added the ability to perform disk I / O, and in some cases ( NewDos / 80, MultiDOS, DosPlus, LDOS ) added powerful sorting, searching, full screen editing, and other features.
2.
Mainly due to the popularity of a UK clone of the Superboard computer called the UK101, the bugs in the BASIC ROMs were eventually fixed, and at least two third-party companies produced their own version of the OS . One version was called'CEGMON', the other was'WEMON'produced by Watford Electronics in the UK . Both featured full screen editing ( almost identical to the commodore PET ), Named cassette file handling ( like the PET ) and a greatly Improved machine code monitor ( also very similar to the Commodore PET ).
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