EntityQ3353144· pop 5Q3353144Sign in to saveREDIRECT DR-DOS#CalderaArticleREDIRECT DR-DOS#CalderaCategory:Microcomputer software Category:Disk operating systems Category:DOS variantsRead full article (3 paragraphs)ConnectionsHTML elementEntityDR-DOSEntityCategoriesCaldera (company) operating systemsDigital ResearchDisk operating systemsDOS variantsFloppy disk-based operating systemsFree software operating systemsMicrocomputer softwareMicrosoft criticisms and controversiesOperating system distributions bootable from read-only mediaPrintworthy redirectsProprietary operating systemsSoftware programmed in assembly language