What is the abbreviation to the magazine that called Qvwm  "an unusually impressive imposter"?
Qvwm:  In 2000, "Linux Format" called Qvwm "an unusually impressive imposter". Linux Format:  Linux Format is commonly abbreviated to LXF, and issues are referred to with LXF as a prefix followed by the issue number (for example LXF102 refers to the 102nd issue).
LXF