1Gとか贅沢なもんじゃなくて、こういうのを知らん奴による再発明だよ

s://gunkies.org/wiki/MINI-UNIX
MINI-UNIX is a somewhat limited variant of V6 Unix
Thus, 24KB (notionally) is normally allocated to hold the kernel (with a modest number of processes
and disk buffers), leaving 32KB available for user commands/applications.