A 16-bit Operating System written in assembly language.
Only 5kB of binary code.
Can edit files, code, calculate and convert hexadecimal/decimal etc.
Tested on an HP ProLiant ML110 G5 (1GB RAM, 80GB HDD, Intel Core 2 Duo, from 2009)
Should work on i386 architecture and newer. BIOS needed.
Read the pikomanual file for installation guidelines, and explanations of commands etc.
When inside the OS, type 'e0101' to get "help file".