More like 20 years. They were in FVWM when I made first contact with linux around 1995 or so. They were in Unix's CDE too, which I presume would have been even

More like 20 years. They were in FVWM when I made first contact with linux around 1995 or so. They were in Unix's CDE too, which I presume would have been even earlier than that.