2. An infamously
losing text editor. Once, back in the
1960s, when a text editor was needed for the
PDP-6, a hacker
used until a better one was written. Unfortunately, the old
one was never really discarded when new ones (in particular,
TECO) came along. SOS is a descendant ("Son of Stopgap") of
that editor, and many
PDP-10 users gained the dubious
pleasure of its acquaintance. Since then other programs
similar in style to SOS have been written, notably the early
font editor BILOS /bye'lohs/, the Brother-In-Law Of Stopgap
(the alternate expansion "Bastard Issue, Loins of Stopgap" has
been proposed).
3. The
PDP-10 instruction to decrease a value. Oppose