Open $? file
Did your computer fail to open $? file? We explain what $? files are and recommend software that we know can open your $? files.
What is $? file?
A $? file extension is related to the TR-DOS ZX Spectrum file in HOBETA format. Probably obsolete file format.
$? file description
The $? file extension is related to the TR-DOS ZX Spectrum file in HOBETA format.
TR-DOS is a disk operating system for ZX Spectrum with Beta disc and Beta 128 disc interface. TR-DOS and Beta disc were developed by Technology Research Ltd (UK), in 1985. Most disk releases for ZX Spectrum (especially modern programs) are made for TR-DOS.