$=k

The local UUCP name V8.6.5 and later

When sendmail first begins to run, it figures out what your local UUCP node name is and assigns the result to the $k macro ($k on page 831). At the same time, it assigns the same name to this class $=k.

Get sendmail, 4th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.