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vintage_systems:ctss [2024/06/30 12:26] – papavintage_systems:ctss [2025/04/28 17:36] (current) – smj
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 +====== CTSS ======
  
 +**CTSS** (//C//ompatible //T//ime-//S//haring //S//ystem) was developed in the early 1960s by the MIT Computation Center for the IBM 7090 and IBM 7094 mainframe computers. CTSS was the first general-purpose time-sharing operating system.
 +
 +===== Log in =====
 +
 +Choose host "ibm7094" from the SDF Vintage Systems menu.
 +
 +When you have connected to CTSS, you will see a message similar to the following:
 +
 +<code>
 +MIT8C0 2 USERS AT 06/30/72  814.6, MAX = 30
 +READY.
 +</code>
 +
 +Log in with the command ''login guest''. (Or use your personal log in ID instead of "guest".)
 +
 +After the red ''Password'' prompt, enter the password "guest" (or your own password).
 +
 +===== Log out =====
 +
 +Enter the command ''logout''.
 +
 +(If you are not returned to the SDF Vintage Systems menu, press the escape character (Ctrl-]), then at the ''lcmtelnet>'' prompt enter ''q''.)
 +
 +===== CTSS Command Summary =====
 +
 +<code>
 +attach
 +bkgrnd
 +brief
 +chball
 +chmod
 +combin
 +comment
 +confrm
 +cpu
 +delete
 +ditto
 +edit
 +fap
 +file
 +input
 +listf
 +load
 +login 
 +logout
 +mad
 +madtrn
 +memo
 +modify
 +octlk
 +octpat
 +patch
 +pm
 +printf
 +releas
 +rename
 +resume
 +retrve
 +rquest
 +save
 +split
 +start
 +status
 +stopat
 +time
 +tra
 +use
 +</code>
 +
 +===== Further Information =====
 +
 +  * F. Corbató, M. Daggett, R. Daley, R. Creasy, J. Hellwig, R. Orenstein, L. Korn, //The Compatible Time-Sharing System -- A Programmer's Guide//. Cambridge, MA: The M.I.T. Press, 1963. [[https://bitsavers.org/pdf/mit/ctss/CTSS_ProgrammersGuide.pdf]]. [Accessed June 30, 2024].
 +  * P. Crisman, editor, //The Compatible Time-Sharing System -- A Programmer's Guide// 2nd ed. Cambridge, MA: The M.I.T. Press, 1969. [[https://bitsavers.org/pdf/mit/ctss/CTSS_ProgrammersGuide_Dec69.pdf]]. [Accessed June 30, 2024].
 +  * E. Kliman, //Abstracts of CTSS Console Commands//. Massachusetts Institute of Technology: 1965. [[https://bitsavers.org/pdf/mit/ctss/CC-239-3_Abstracts_of_CTSS_Console_Commands_Mar65.pdf]]. [Accessed June 30, 2024].
 +  * Bitsavers' Computing Archive, "CTSS", [[https://bitsavers.org/pdf/mit/ctss/]]. [Accessed June 30, 2024].