om -- Option Mail default range syntax 1,$ om "om" is an option which allows the user control over whether or not he will be notified about pending mail. Typing "om" simply toggles the switch controlling notification. The default is for the editor to notify the user about his mail. The mail box which the editor uses is taken from the environment variable MAIL. If the mail box exists, but is empty the user will not be notified. To read your mail, use a shell escape on whichever of the fol- lowing programs is appropriate: Mail msg mail