VFAT Shortname Rules
How long names become 8.3 aliases, and how collisions resolve
DOS
MS-DOS, FreeDOS, and the real-mode era.
Deterministic DIR Output
Treating DIR formatting as an API contract for automation
Interrupts as User Interface
INT 10h, 16h, and 21h as DOS-era interaction surfaces
CONFIG.SYS as Architecture
Runtime policy before your application loads
C:\> After Midnight
A DOS chronicle
Batch File Wizardry
Interactive menus with GOTO, CHOICE, and no real variables