What does VMOS stand for?

Vertical-Channel Metal-Oxide Semiconductor (SAUS)

Vertical Metal-Oxide Semiconductor (IAA)

V-Groove Metal-Oxide Semiconductor (MCD)

V-groove Metal Oxide Silicon (SAUS)

Virtual Memory Operating Software (SAUS)

Virtual Memory Operating System - Sperry UNIVAC - Computer science (IEEE)

V-Type Metal Oxide Semiconductor (NITA)