001: 28590
003: Starlibrary PMS 4.5
005: 20180420
066: ^aMi.m
072: ^agetting started
082: ^a005
100: ^aMicrosoft
240: ^amicrosoft ms-dos
245: ^amicrosoft ms-dos
260: ^c1991
650: ^alearning about disks files and directories
650: ^alearning about ms-dos