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␈↓ α∧␈↓α␈↓ βJSTANFORD UNIVERSITY LOW OVERHEAD TIMESHARING

␈↓ α∧␈↓␈↓ αTStanford␈αUniversity␈αwill␈αoperate␈αa␈αDEC␈αSystem␈α20␈αas␈αa␈αlow␈αoverhead␈αtime-sharing␈αsystem,
␈↓ α∧␈↓named␈α⊃LOTS.␈α⊂ The␈α⊃first␈α⊃responsibility␈α⊂of␈α⊃this␈α⊂system␈α⊃will␈α⊃be␈α⊂to␈α⊃take␈α⊂over␈α⊃the␈α⊃computing␈α⊂in
␈↓ α∧␈↓support␈αof␈αclasses␈αfrom␈αthe␈αIBM␈α370/168.␈α The␈αobjective␈αis␈αto␈αgive␈αstudents␈αin␈αclasses␈αthe␈αbenefit
␈↓ α∧␈↓of␈α∂interactive␈α∂terminal-based␈α∂computing␈α∂-␈α∂replacing␈α∂card␈α∂based␈α∂batch.␈α∂ Besides␈α∂the␈α∂class␈α∞work,
␈↓ α∧␈↓students␈αand␈αfaculty␈α
will␈αbe␈αable␈αto␈α
used␈αthe␈αcomputer␈α
individually␈αfor␈αresearch␈αand␈α
self-teaching.
␈↓ α∧␈↓There␈α
will␈α
be␈α
no␈α
dollar-accounting,␈αbut␈α
resources␈α
will␈α
be␈α
allocated␈αso␈α
as␈α
to␈α
guarantee␈α
that␈αthe␈α
class
␈↓ α∧␈↓work meets its objectives.

␈↓ α∧␈↓␈↓ αTA␈α∞wide␈α∞variety␈α∞of␈α∞programming␈α∞languages␈α∞including␈α∞Fortran.␈α∞ the␈α∞SAIL␈α∞dialect␈α∞of␈α∞Algol,
␈↓ α∧␈↓LISP, and Basic will be available.  Users may add other languages.

␈↓ α∧␈↓␈↓ αTIt␈α∞is␈α∞intended␈α∞to␈α∞operate␈α∞the␈α∞center␈α∞with␈α∞a␈α∞staff␈α∞of␈α∞three␈α∞and␈α∞without␈α∞full␈α∞time␈α
operators.
␈↓ α∧␈↓Users will be checked out in such operations as changing paper in printers.

␈↓ α∧␈↓␈↓ αTThe␈α⊂initial␈α⊃configuration␈α⊂includes␈α⊃256K␈α⊂36␈α⊃bit␈α⊂words␈α⊂of␈α⊃core,␈α⊂one␈α⊃disk␈α⊂drive␈α⊃with␈α⊂200
␈↓ α∧␈↓megabytes,␈αa␈α240␈αline␈αper␈αminute␈αprinter,␈αand␈α48␈αports␈αincluding␈αsix␈αdial-up,␈αthe␈αrest␈αbeing␈αlocal
␈↓ α∧␈↓display terminals.

␈↓ α∧␈↓␈↓ αTThe␈α∞second␈α
contemplated␈α∞application␈α
is␈α∞the␈α∞writing␈α
and␈α∞updating␈α
and␈α∞printing␈α∞of␈α
reports
␈↓ α∧␈↓and␈α
papers␈α∞by␈α
students␈α∞and␈α
faculty.␈α
 The␈α∞second␈α
stage␈α∞will␈α
involve␈α
more␈α∞disk␈α
file␈α∞and␈α
remotely
␈↓ α∧␈↓located terminals and printers.

␈↓ α∧␈↓␈↓ αTThe machine is scheduled for delivery in November 1976.


␈↓ α∧␈↓John McCarthy
␈↓ α∧␈↓Computer Science Department
␈↓ α∧␈↓Stanford University
␈↓ α∧␈↓Stanford, California 94305



␈↓ α∧␈↓August 18, 1976














␈↓ α∧␈↓␈↓ ε|1␈↓ ∧