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rfc:rfc254

Network Working Group A. K. Bhushan Request for Comments: 254 MIT Project MAC NIC: 7695 October 1971

               SCENARIOS FOR USING ARPANET COMPUTERS
 This scenario booklet is provided to facilitate the use of ARPANET
 host computer systems via the ARPANET.  The objective of these
 scenarios is to aid a user in sampling host computers on the ARPANET,
 thereby stimulating this interest in using ARPANET.
 The scenarios describe the login procedure, the use of some simple or
 interesting facilities, and obtaining on-line help facilities such as
 on-line documentation and interactive dialog with experienced users
 via "link" or "message" type mechanisms.  The use of TELNETS for
 "piggy-back login" is included to help system programmers in
 debugging and testing their protocol implementations.  An exercise of
 editing and running a very simple program is also included, where
 appropriate.
 The scenarios assume the environment of the MIT-DMCG PDP-10 computer
 system, but are readily adaptable to use from other systems.  The
 annotated script is provided to assist you in the use of a particular
 host computer.  Comments are enclosed in parenthesis, and user input
 is underlined.  In the scripts, a carriage return is indicated by
 '<CR>', and a space by blank (i.e., no type).  Escape to local user
 TELNET is indicated by backslash, the default escape character in the
 MIT_DMCG system.  Additional blank lines have been introduced in many
 instances to improve readability of the script.
 ACKNOWLEDGMENTS:  The author wishes to acknowledge the help of Bob
 Bressler, Rich Guida, Bob Metcalfe, Jim Michener, and Neal Ryan in
 preparing this Scenarios booklet.
 NOTE:  Your comments and suggestions will be greatly appreciated.
 Please direct all comments to Abhay Bhushan, Room 208, 545 Technology
 Square, Cambridge, Mass 02139.  (Tel. 817-864-6900 x1428).

Shushan [Page 1] RFC 254 Scenarios for Using ARPANET Computers October 1971

Table of Contents

 Host Computer           Address                       Page
 UCLA SIGMA.................1.............................2
 UCLA 360-91...............65.............................5
 SRI PDP-10(NIC)............2.............................5
 SRI PDP-10(A1)............66.............................7
 UCSB 360/75................3.............................
 UTAH PDP-10................4.............................8
 BBN PDP-10(A).............69.............................8
 BBN PDP-10(B)............133............................10
 MIT H645 MULTICS...........6............................10
 MIT PDP-10 (DMCG).........70............................12
 MIT PDP-10 (AI)..........134............................15
 RAND 360/65................7............................15
 RAND PDP-10...............71............................15
 SDC 360/75.................8............................15
 HARVARD PDP-10.............9............................15
 LINCOLN 360/67............12............................17
 LINCOLN TX-2..............11............................19
 STANFORD PDP-10...........11............................19
 ILLINOIS PDP-11...........12............................19
 CASE PDP-10...............13............................19
 CARNEGIE PDP-10...........14............................20
 PAOLI B6500...............15............................20

UCLA-NMC SIGMA-7 SEX Network address 1. _

 SEX treats network interaction as being half-duplex and line-at-a-
 time, and assumes local echo.  Sex does not accept commands in lower
 case alphabetics (hit <BRK> on the MIT_DMCG IMLAC if you are not in
 upper case mode.)

\_SEX<CR>_-ucla connection is: completed.\ (you typed "SEX<CR>") LOG ON* (SEX is requesting login) ARPA<CR> (you login as ARPA) *message waiting* (if there is a message for you) ! (the SEX prompt character in MASTER) S .MSG:C<CR> (to read message, and to send messages) 002 MSG STARTED (Message if any will be typed out)

(prompt character in MSG)

S HB<CR> (to send message to user HB)

_MY MESSAGE<EOT><CR>_ (message terminated with <EOT>

                               or <Control-D>)

Shushan [Page 2] RFC 254 Scenarios for Using ARPANET Computers October 1971

_L ARPA<CR>_ (to list messages for user ARPA

.....                         (message are listed)

_D ARPA<CR>_ (to delete messages for user ARPA)

_X<CR>_ (attention getting character, back to

                               MASTER)

! (MASTER prompts) _S .WHO:C<CR>_ (to see who is using the system) 002 WHO STARTED USER PORT

.....                         (list follows)

_X<CR>_ (to get back to MASTER) ! (MASTER prompts) _S*, TIMMY:C<CR>_ (starts question-answering program) 002 TIMMY STARTED MY NAME IS TIMMY THE TERMINAL, WHAT'S YOURS?

.....                         (you converse now)

_GOODBYE<CR>_ (to exit from TIMMY) ! (normal exit, MASTER will prompt) _S .TELNET:C<CR>_ (to start user TELNET)

002 TELNET STARTED VERSION=25 OCTOBER 1971 ESCAPE CHARACTER MUST PREFIX COMMANDS ? DISPLAYS COMMANDS ENTER ESCAPE CHARACTER

(TELNET prompt character)

_;<CR>_ (you enter escape character, ';'

                               in this case)

_;ODMCG<CR>_ (to connect to our DMCG PDP-10)

CONNECTED TO 070

......                        (you can now log into foreign host)

_;CL<CR>_ (to close connections)

_;X<CR>_ (to exit TELNET and back to MASTER) BYE ! _S* .ABACUS<CR>_ (starts self-explanatory calculator

                               program)
.....                         (instructions on use follow)

Shushan [Page 3] RFC 254 Scenarios for Using ARPANET Computers October 1971

_X<CR>_ (to get back to MASTER) ! _S .EDIT:C<CR>_ (to start the editor) 002 STARTED WORK NAME? _<CR>_ (EDIT will use default)

(prompt in EDIT)

_I<CR>_ (to insert a file) _ CALL IASSGN('OC', 1)<CR>_ (6 spaces, not a <HT>) _ WRITE(1, 101)<CR>_ _ 101 FORMAT ('HELLO')<CR>_ _ END <CR>_ _<EOT><CR>_ (you type <EOT> or <Control-D> to

                               get EDIT)

> _W<CR>_ (to write file) _TEST<CR>_ (you name it TEST)

_X<CR>_ (to get back to MASTER) ! _S .FORT(TEST)<CR>_ (to compile program) 002 FORTRAN STARTED ! 002 FORTRAN DONE ! _S .FDLD(TEST)<CR>_ (will create the file TEST/E which

                               you can run)

002 FDLD STARTED ! _S .TEST/E: C<CR>_ (to run program) 002 TEST/E STARTED HELLO (the program works) STOP NORMAL EXIT ! _V<CR>_ (to view your root directory)

.....                         (list follows)

! _X<CR>_ (to logout of SEX) _\DISCONNECTED<CR>\_ (escape to NETWRK and disconnect)

Shushan [Page 4] RFC 254 Scenarios for Using ARPANET Computers October 1971

UCLA-CCN IBM 360/91 Network address 65.

 CCN also offers a Remote Job Service.  Their TELNET service is
 currently by arrangement only.  We have not used it yet.
 _\ccn<CR>_-ucla connection is :  completed.\       (success)
 UCLA CCN 360/91 TELNET
 TELNET SERVICE AVAILABLE BY ARRANGEMENT ONLY
 FOR INFORMATION CALL R.T. BRADEN, STEVE WOLFE, OR STU FEIGIN AT
 (213) 825-7518 OR 825-7424
 _\disconnected<CR>\_          (you escape to NETWRK and
                                  disconnect)

SRI (NIC) PDP-10 TENEX Network address 2. _

 NIC is best used in character-at-a-time mode with remote echo.  After
 connection is completed you should change your mode to full-duplex at
 NIC (their default is half-duplex).  NIC can also be used in half-
 duplex (with local echo), line-at-a-time mode, but use is not as
 convenient.  Although NIC commands are similar to BBN TENEX, the NLS
 subsystem is different.
 _\nic<CR>_ connection is: completed.\    (to connect to NIC)
 NETWORK USERS SHOULD LOGIN AS ONE OF THE FOLLOWING USERS:  MIT-
 MULTICS MIT-DMCG MITRE UCLA-CCN UTAH ILLINOIS RAND BBN-TENEX BBN-IMP
 AMES-ILLIAC UCLA-7

ARC TENEX 1.26.01.04 DATE ARC EXEC 1.32 (NIC herald) @_FULL<CR>_ (you request full-duplex mode,

                               "FULL" will not print)

@_LOGIN MIT-DMCG<CR>_ (@ is NIC prompt, you login) (password) ARPA<CR> (password is not printed) (account # ) 3<CR> JOB nnn AT CONSOLE mmm

@_SYSTAT<CR>_ (to see who is using system)

.....                        (list follows)

@_?_ (will display commands)

.....                        (list follows)

_link<ESC>_ (to) _<ESC>_ (user) _MELVIN_ (links your console to

                                     MELVIN'S)

Shushan [Page 5] RFC 254 Scenarios for Using ARPANET Computers October 1971

_;hello are you there?<CR>_ (prefix comments with ";", whatever is

                             is typed at either console appears on
                             both console)

@_break_(links)_<CR>_ (this disconnects any "links" to

                             other NIC users)

@_DIR<CR>_ (list files in eser's directory)

      <MIT-DMCG>
.....                        (list follows)

@_NLS<CR>_ (to use NIC text editing system TNLS) ID:<your initials><EOT> (terminate with <EOT> or <Control-D>) DEVICE: _T_I-TERMINAL (type "T" if you are in FULL DUPLEX

                             or type "N" if you are in HALFDUPLEX)
      (NLS will load or create your initial file)
      ("*" is NLS prompt, <EOT> or <Control-D> is default
       command accept character, <CAN> or<Control-X> kills
       the current line, and <SOH> or <Control-A> serves the
       rubout or character delete function)

*_e_xecute _j_ournal (to access journal system) submit _m_essage (to send a message using the NIC Journal) _This is a test message.<EOT>_ Number _<EOT_ yyyy (typing <EOT>, the default command accept

                              accept causes system to assign a unique
                              catalogue number yyyy to the message)

title: _Test Message<EOT>_ (you enter a title)

distribution _id1 id2 <EOT>_ (id1, and id2 are identifications of

                              persons known to system)

status _<EOT>_ (system reiterates information entered

                              by user)

go: _<EOT>_ (begins journal process, assumes you

                              as author)

JOURNAL SYSTEM IN PROGRESS _<ETX>_ (<ETX> or <Control-C> is the attention

                              getting character to get EXEC)

@_CONTINUE<CR>_ (to resume NLS) _<CAN>_ (<CAN> or <Control-X> to get NLS prompt)

*_p_rint _b_ranch 0.1<EOT> (to print some files)

.....                        (list follows)

*_e_xecute _q_uit<EOT> (to quit NLS and return to EXEC) @_LOGOUT<CR>_ (to logout from NIC)

Shushan [Page 6] RFC 254 Scenarios for Using ARPANET Computers October 1971

Job nnn logged out at ….

_\disconnected<CR>\_ (escape to NETWRK and disconnect)

SRI(AI) PDP-10 TENEX Network address 66.

 (The SRI (AI) computer uses the TENEX operating system, and is
 similar to the system at BBN.  We have not been able to log into SRI
 (AI) system as they are currently not functioning as a server.  Hence
 no scenario is provided.  This section will be updated as soon as SRI
 (AI) is able to accept login over the ARPANET.)

[Most of page 9 was illegible: RFC Editor]

FOREIGN SITE NO. = _70 <CR>_ (70 is DMCG) FOREIGN SOCKET NO. = _1;<CR>_ (logger socket) 1 …….. (you are now connected) _;2 ;ID <CR>_ (to display host status)

KNOWN HOSTS ARE – …….. (list follows)

_;RES<CR>_ (to reset connections)

RESET COMPLETED _;1 ;DEL <CR>_ (to purge sockets)

SOCKET PURGED

_HELP< CR>_ (lists all non-standard keys) ……. (list follows)

_;STATE <CR>_

                              (will list NETOLS states)

PREFIX IS; HALFDUPLEX SHIFT IS OFF

_;PREFIX !<CR>_ (will change prefix to "!") _!SHIFT !STATE <CR>_ (to get both upper and lower case

                               alphabetics.  This may be required
                               for example, to piggy back to Multics.
                               ";lfd" will send <LF>.)

PREFIX IS ! HALF DUPLEX

Shushan [Page 7] RFC 254 Scenarios for Using ARPANET Computers October 1971

SHIFT IS ON

_!PREFIX; <CR>_ (prefix is again ";" ) _;UNSHIFT <CR>_ (to turn SHIFT "OFF" ) _;SHIFT ON<CR>_ (to get both upper and lower case.

                               This may be required, for example
                               to "piggy back" to Multics. ";LFD"
                               will send <LF>.)

_;SYST <CR>_ (to get back to SYS level again) WORK AREAS UPDATED _;DOWN_ (DOWN will logout but not disconnect) WORK AREAS PURGED (you are logged out but connected) _;SYS <CR>_ (to login to UCSB again)

ENTER USER NUMBER _;LOGOUT _ (will logout and disconnect) _\DISCONNECT<CR>\_ (escape to NETWRK and disconnect,

                               if not already disconnected by UCSB

UTAH PDP-10 TENEX Network address 4. _ (The Utah computer uses the TENEX Operating System, and is similar to the system at BBN. The password for Network users will be: THISISANINTENTIONALLYLONGPASSWORD As yet, their logger is unavailable, and we have been unable to login on their system hence, no scenario script is provided.) BBN PDP-10 (A) TENEX Network address 69 _

 TENEX is best used in character-at-a-time mode with remote echo.
 However, as TENEX treats network users as half-duplex by default, you
 should either change your mode to FULLDUPLEX, or escape into NETWRK
 and request local echo.  At command level TENEX does not distinguish
 between upper and lower case alphabetics.  The programs "DOCTOR" and
 "LIFE" may not be available to you in the BBN PDP-10(A) system, but
 can still be used from the BBN PDP-10(B) system.

\_TENEX<CR>_settings loaded. and connection is: completed.\

                                (to connect to BBNA TENEX)

BBN-TENEX 1.26.0 6-AUG-71 EXE 1.32.2 @_FULL<CR>_ (you request full-duplex mode)

@_LOGIN TENAR<CR> _ (you login) (PASSWORD)

Shushan [Page 8] RFC 254 Scenarios for Using ARPANET Computers October 1971

_ARPA<CR>_ (this will not be printed) (ACCOUNT) _MIT-AKB<CR>_ (appropriate account)

JOB 3 ON TTYG1 10-OCT-71 3:30 You have a message (if a message is waiting)

@_?_ (@ is TENEX PROMPT CHARACTER

                                "?" will list TENEX commands)

COMMANDS ARE: ….. (list follows)

@_TYPE MESSAGE.TXT<CR>_ (to read your message) ;<TENAR> MESSAGE.TXT;1 ….. (message follows)

@_SYSTAT_ (to see who is using the system,) …….. (list follows)

_LINK<ESC>_ (to) _<ESC>_ (user) _TOMLINSON_ (will link your console

                                             to TOMLINSON's)

_;HELLO THERE?<CR>_ (prefix comments with ";" whatever

                                 is typed at either console appears on
                                 both consoles)

@_BREAK_ (links)_<CR>_ (this disconnects any "links" to

                                 TENEX users)

@_LIFE<CR>_ (to play game of life) DO YOU WISH TO SEE AN EXPLANATION? _YES<CR>_ …….. (explanation follows)

_<ETX>_ (<ETX> or <Control-C> is the attention

                                 getting character to get EXEC)

@_DOCTOR<CR>_ (psychiatrist service–self

                                 explanatory)

….. (you now converse with DOCTOR)

*_GOODBYE._ (normal exit, * is prompt from DOCTOR) ….. (the Doctor's charges, etc.)

@_DIR <name><CR>_ (to list the directory called <name>;

                                 try "DIR SYSTEM".)

….. (listing follows)

@_TYPE <name><CR>_ (to print the file called <name>) ….. (list follows)

Shushan [Page 9] RFC 254 Scenarios for Using ARPANET Computers October 1971

@_TTYIST<CR>_ (to test teletype communications) ….. (test data follows)

_<DEL>_ (<DEL> or <rubout> will end tests

                                 prematurely)

_<ETX>_ (<EXT> or <Control-C> will get you

                                 back to EXEC)

@_TELNET<CR>_ (to use BBN User TELNET)

TELNET 30-AUG-71 RST

VERBOSE?_Y<CR>_ (this will instruct you to proceed) ….. (instructions on use follow)

HOST: _106<CR> _ (to connect to DMCG, i.e., octal 106) ….. (you are connected to DMCG)

_<ETX>_ (to get back to EXEC)

@_LOGOUT<CR>_ (to logout of TENEX)

_\DISCONNECT<CR>_\ (escape to NETWRK and disconnect)

BBN PDP-10 (B) TENEX Network address 133. _

 The BBN PDP-10(B) is an experimental TENEX system similar to the BBN
 PDP-10(A) TENEX system (network address 69.).  Because of the
 similarities of the two TENEX systems, no scenario is given here.
 Please refer to the BBN PDP-10(A) system (page12) for the scenario.
 The account number to be used for the system is "1" instead of the
 "site name" used in the BBN PDP-10(A) system.

MIT H 645 MULTICS Network address 6.

 Multics interacts line-at-a-time and assumes local echo.  Multics
 require both upper and lower case alphabetics.  Commands are in lower
 case alphabetics.

\_mult<CR>_ics connection is: completed.\ (you type "mult<CR>") Multics 15.20 MIT, Cambridge, Mass. Load = 39.0 out of 41.0 units; users = 38 _Enter Name CNet<CR> (log in by your last name in this

                                form)

Anonymous user Name CNet logged in: 09/23/71 1340.8 edt Thu

                   from terminal "NET"

(Multics will now type the message of the day)

Shushan [Page 10] RFC 254 Scenarios for Using ARPANET Computers October 1971

r 1405 .034 10+59 (This is the ready message

                               printed at the end of
                               processing of every command
                               line of the form:  time of day,
                               cpu time for last command,
                               pre-paged segments+page faults)

_hef#1p p11<CR>_ ("help p11" prints help file for p11;

                                "#" deleted the previous character,
                                "@" deleted current line.)

(12 lines follow) ….. (help file is printed out)

       (Other useful help files are:
        news -- recent system news
        crashes -- info on recent crashes
        command name -- gives info on particular command)

r 1406 1.653 6+59 (the Multics ready message)

_who<CR>_ (gives list of users currently on system) Multics 15.20, load 42.0/54.0; 41 users Absentee users = 0/1 ….. (list of users follows)

r 1407 .035 5+7

_'Please help me on-line<CR>_ (statements prefixed with an

                                apostrophe will be sent to
                                network consultant or to user
                                logged in the CompNet project.
                                This will happen only if you are
                                Logged in CNet project.)

_list<CR>_ (list segments in current working dir) Segments = 2, Records = 1 ….. (list of files follows)

r 1408 .206 4+8

_ls -p >udd>message *.info<CR>_ (list all help files)

Segments = 177, Records = 223

….. (long list of info files follows) synch (to interrupt this type-out you

                               "QUIT"by sending the NCP interrupt)

QUIT r 1409 3.200 4+78

Shushan [Page 11] RFC 254 Scenarios for Using ARPANET Computers October 1971

_mail * Vezza CompNet<CR>_ (send mail to Vezza CompNet, mail is

                                terminated by line of just a period)

_THIS IS THE SAMPLE MAIL THAT WE ARE SENDING<CR>_ _THIS IS THE LAST LINE.<CR>_ _.<CR>_ (this will send the mail) r 1410 1.905 12+114

_mail <CR>_ (see if anyone has sent us mail. no mail Reads mail sent to anonymous CNet.) r 1411 .450

_edm test.p11<CR>_ (call an editor to create p11 program) Segments not found. (as segment does not exist, edm puts Input. you in input mode.) _test:procedure;<CR>_ _put edit("hello") (a(5));<CR>_ _put skip;<CR>_ _end test;<CR>_ _.<CR>_ (this will get you into edit mode) Edit. (you can edit if you made mistakes) _w<CR>_ (to write the file) _g<CR>_ (to quit from edm) r 1414 3.653 74+114

_print test.p11<CR>_ (print the source file we just made) _p11 test<CR>_ (compile that p11 program) PL/1 r 1417 5.918 27+485

_test<CR>_ (run the program we just compiled) hello (the program works) r 1419 2.315 6+123

_logout<CR>_ (We are done so we log out.)

Name CNet logged out 09/23/71 1420.1 edt Thu CPU usage 45 sec hangup !?CONNECTIONS ABORTED?\ (Multics disconnects you)

MIT PDP-10 (DMCG) ITS Network address 70. _

 ITS treats network interaction as being full-duplex and assumes local
 echo.  Interaction is character-at-a-time, however user processes
 such as MONIT require a <CR> to be typed.  No distinction is made at
 command level between upper and lower case alphabetics.

Shushan [Page 12] RFC 254 Scenarios for Using ARPANET Computers October 1971

\_its<CR>_ connection is: completed.\ (to connect to DMCG-ITS) MIT Project MAC DMCG PDP-10 Telnet Server in operation. Please login with host no. and initials (e.g.,"login 70rmm") MONIT.49 (Message of the day will follow) ; (MONIT prompts with ";") _login 70akb<CR>_ (you login with the form asked) ;_?<CR> _ (will list MONIT commands) ….. (list follows)

;_listf tty<CR>_ (to display status of users

                                    and jobs)

….. (list follows)

;_listf dsk:.info.;<CR> (to list files on disk for user

                                    name ".info.".  Note that device
                                    name is followed by ":", and
                                    user name by ";".)

….. (list follows)

;_print dsk:.info.;info info<CR> (will print file"info info") ….. (list follows) ;_peek<CR> (to display status of time-

                                    sharing monitor)

….. (display follows)

_?<CR>_ (list PEEK's commands) _Q_ (exit from PEEK, upper case Q) _<SUB>_ (<SUB> or <Control-Z> is the

                                    attention getting character.
                                    It causes control to move one
                                    level up a job tree.)

;_TTYTST<CR>_ (to test communications, will

                                    spit out test data)

….. (test data follows)

_<SUB>_ (<SUB> or <Control-Z> to get

                                      attention)

;_DIRECT<CR>_ (to use a directory program for

                                      MIT-DMCG personnel)

DRCTY .52 TYPE ? FOR HELP

IS THE PROMPT CHARACTER.
_?_ (to obtain help, self explanatory)

….. (explanation follows)

_*_ (normal exit from program)

:KILL ;_NETWRK<CR>_ (to use network, i.e., ARPANET

Shushan [Page 13] RFC 254 Scenarios for Using ARPANET Computers October 1971

….. via user TELNET)

                                   (NETWRK herald, and help message)

\_?<CR>_ ("\" IS NETWRK escape and

                                    prompt, ?<cr> gets help)

….. (help info for you) \_hosts<CR>_ (will print list of

                                    acceptable host names)

\_<host name><CR>_ (to connect to a host, e.g.,

                                      SEX, NIC, UCSB, etc)

\_quit<CR>_ (this will get you back to MONIT) ….. (NETWRK flushed, etc.) ;_t<CR>_ (to get TECO, the text editor) TECO.175 _| TITLE SIMPLE TEST<CR>_ (we will create a MIDAS program) _;A SIMPLE TEST PROGRAM<CR>_ (A comment follows ";" in MIDAS) _RELOCATABLE<CR>_ _.GLOBAL TYO, TYOB, LINACR, OPEN, CLOSE, IOT,A,B,C,P,D,ARGP<CR>_ _A==1<CR>_ _B==2<CR>_ _C==3<CR>_ _D==4<CR>_ _P==17<CR>_ _ARGP==16<CR>_ _PDLNTH==20<CR>_ _PDL:BLOCK PDLNTH<CR>_ _FIRST:<HT>MOVE P, [-PDLNTH,,PDL]<CR>_ _<HT> MOVEI A,[ASCIZ/This is a test/]<CR>_ _<HT> PUSHJ P, LINARCR<CR>_ _<HT> .VALUE [ASCIZ/:KILL/]<CR>_ _<HT> END FIRST<CR>_ _<ESC><ESC> _ (<ESC> or <ALT> will end input) _FILE DSK:NETWRK; SIMPLE TEST<ESC><ESC>_ (to write program on disk) _<BS><ESC><ESC>_ (<BS> or <Control-H> to exit) ;_SM<CR>_ (to assemle program using small

                                    MIDAS)

MIDAS .39 _DSK:NETWRK;SIMPLE TEST<CR>_ …… (program assembles and creates a

                                    file with name SIMPLE BIN)

;_D<CR>_ (to use DDT, the debugging tool) ITS .747.DDT .1334 _STINK<VT>_! (to get loader, <VT> is

                                    <Control-K>)

STINK .T60 _J SIMPLE<ESC><ESC> _ (we call the job SIMPLE) _MDSK:NETWRK;SIMPLE BIN<ESC>L<ESC><ESC>_ _MCOM:LINOUT BIN<ESC>L<ESC><ESC>_ _MCOM:TSTTY BIN<ESC>L<ESC><ESC>_

Shushan [Page 14] RFC 254 Scenarios for Using ARPANET Computers October 1971

_MCOM:CHAN BIN<ESC>L<ESC><ESC>_ _TD<ESC><ESC>_ (we go back to DDT) _$G_ (to run the program) This is a test (program works!!!) :kill _<SUB>_ (<SUB> or <Control-Z> to get MONIT)

;_LOGOUT<CR> (logs you out, but leaves you

                                    connected)

ITS 795 console 23 Free _\disconnect<CR>\_ (escape to NETWRK and disconnect)

MIT PDP-10(AI) ITS Network address 134. _ (The MIT PDP-10(AI) system uses the ITS operating system and is similar to the MIT PDP-10(DMCG) system. At present the host is not connected to the ARPANET.) RAND 360/65 MVT OPERATING SYSTEM Network address 7. _

 (We have not been able to log into RAND, as they are currently
 intending to be users only.  Hence, no scenario script is provided.
 This section will be updated as soon as RAND can accept out login
 over the ARPANET, and provide service on a regular basis.)

RAND PDP-10 TENEX Network address 71. _

 (Rand PDP-10 is currently not functioning over the ARPANET.  Hence no
 scenario is provided.  This section will be updated as soon as the
 host is providing service.)

SDC IBM 360/75 Network address8. _

 (We have not been able to log into SDC. as their logger is not
 available.  Hence no scenario script is provided.  This section will
 be updated as soon as SDC can accept login over the ARPANET)

HARVARD PDP-10 DEC 10/50 MONITOR Network address 9. _ Harvard system treats network interaction as half-duplex, character- at-a-time, and assumes local echo. The prompt character is ".", and the escape character is <Control-C>. No lower case text is accepted (hit the <BRK> key on the IMLAC if you are not in upper case mode). Shushan [Page 15] RFC 254 Scenarios for Using ARPANET Computers October 1971 \_HARVARD<CR>_ connection is: completed.\ (you type "HARVARD<CR>") JOB N HARVARD 4S72BU.40 TTYMM #_62,5_ (you type "62,50") _ RLS_ (you type "RLS" which is not printed) (the message of the day is now printed out) _.SY<CR>_ (to see who is using the system) ….. (list follows) *_ICP 106 _ (to connect to MIT-DMCG, I.E., OCTAL 106) (* is the prompt character in TELNET) IMPn CONNECTED TO MIT(1) ….. (you can now login to MIT-DMCG system) _<US>_ (you type <US> or <Control-_>, octal 037 to escape to the Harvard system) BACK TO HARVARD JOB nn *_CLOSE IMPn_ (this will close connections) *_<ETX>_ (you type <Control-C> or <EXT>, octal 003 to get back to top level) editor TECO) *_| <TAB> TYPE 100 <CR>_ (* is the editor prompt character) _100 <TAB> FORMAT('HELLO THERE.') <CR>_ _<TAB> END <CR>_ _$_$_$_$ <CR> (you type <ESC> or <ALT> which is echoed as "$") *_EWDSK:TEST.FOR$_$_$_$_ <CR>_ *_PWEF$_$_$_$_ <CR>_ (file it on disk with the name TEST.FOR) *_<ETX>_ (<ETX> or <Control-C> to exit to top level) Shushan [Page 16] RFC 254 Scenarios for Using ARPANET Computers October 1971 your program) HELLO THERE. (the program works) CONFIRM: _K_ (this will log you out) (appropriate logout message) _\DISCONNECT<CR>_\ (you escape to NETWRK and disconnect) LINCOLN LABS IBM 360/67 CP-CMS Network address 12.

 Lincoln CP-67 interacts line-at-a-time and assumes local echo.  No
 distinction is made between upper and lower case alphabetics at
 command and service level.

\_11<CR>_-67 connection is: completed.\ (you type "11<CR>) LINCOLN LABORATORY CP/67 ONLINE _login net<CR>_ ENTER PASSWORD: _arpa<CR>_ (this will not print) SYSTEM FULL, YOU ARE 8 IN LINE READY AT 16:18:02 ON 10/01/71 _how<CR>_ (find out how long before you

                                      can run)

30 MINUTES AT MOST _g users<CR>_ (find number of users)

48 USERS 37 RUNNING  2 PERMITTED  1 REQUESTS  8 WAITING 0 INLOG

_g names<CR>_ (find names of others logged

                                      in but not running)

NCP MONIT LLMPS RER XLES POPE VELZ NET

_g user names<CR> (to find names of every one

                                      logged in)

….. (list follows)

_req<CR> (you can type this command if

                                      you want an immediate, 5
                                      minute only, shot at the
                                      computer, use sparingly)

YOU MAY NOW RUN (the time has come) _i cms<CR> (get into cms) CMS..VERSION 37 WELCOME TO THENET ACCOUNT

Shushan [Page 17] RFC 254 Scenarios for Using ARPANET Computers October 1971

IF YOU PANIC, TYPE THE FOLLOWING CP M ARPA HELP OR CP M WINETT HELP

CMS _listf<CR> _ (list the file in our disk area) Q EXEC P1 1 11/05/70 10:10 …. T=0.08/0.28 16:35:54 (the ready message)

_listf * * s<CR>_ (list all the system files)

….. (list follows)

_edit test fortran<CR>_ (this calls the editor to

                                      write a fortran program,
                                      this is a line oriented,
                                      edm type editor.)

NEW FILE. INPUT: _<TAB> WRITE (6,100)<CR>_ _100<TAB> FORMAT('HELLO!')<CR>_ _<TAB> END_ _<CR>_ (null line gets you to EDIT) EDIT: _FILE<CR>_ (you file the program) T=0.07/0.37 16:40:56

_fortran test<CR>_ (compile the program"test

                                      fortran")

T=0.19/0.52 16:41:32

_$ test<CR>_ (load and begin execution of the

                                      program)

EXECUTION BEGINS…

HELLO!                               (the program runs)

T=0.42/1.20 16:43:13

_telnet 46<CR>_ (to connect to host with

                                      hexadecimal address of 46, i.e.,
                                      DMCG)

ENTER SYSTEM ESCAPE CHARACTER.. _/<CR>_ (you enter"/" as the escape) _/?<CR>_ (this will give you more

                                      information)

Shushan [Page 18] RFC 254 Scenarios for Using ARPANET Computers October 1971

_logout<CR>_ (to log out of CMS) T=0.48/1.85 16:44:36

CP ENTERED

_logout<CR>_ (logs the user out and

                                      disconnects him)

CONNECT=00:02:52 VIRTCPU= 000:00.48 TOTCPU= 000:01.86 LOGOUT AT 16:45:19 ON 10/01/71 \?connections aborted?\

LINCOLN LABS TX-2 Network address 74. _

 (The status of Lincoln TX-2 is uncertain.  No scenario is provided as
 TX-2 is currently not functioning as server.  This section will be
 updated as soon as TX-2 is able to accept login over the ARPANET.)

STANFORD (AI) PDP-10 Network address 11. _

 (The Stanford PDP-10 is currently not functioning over the ARPANET.
 Hence no scenario is provided.  This section will be updated as soon
 as the host is providing service.)

ILLINOIS PDP-11 Network address 12.

 (We have not been able to connect to Illinois as they are currently
 intended to be user only system.  Hence no scenario is provided.
 This section will be updated as soon as Illinois is able to accept
 login over the ARPANET.)

CASE PDP-10 DEC 10/50 MONITOR Network address 13. _

 (The Case system uses the DEC 10/50 time-sharing monitor, and is
 identical to the Harvard system.  No scenario script is provided as
 Case is not providing service over the ARPANET at the present time.
 This section will be updated as soon as Case will accept login over
 the ARPANET.)

Shushan [Page 19] RFC 254 Scenarios for Using ARPANET Computers October 1971

CARNEGIE PDP-10 DEC 10/50 MONITOR Network address 14. _

 (The Carnegie system uses the DEC 10/50 time-sharing monitor, and is
 identical to the Harvard system.  No scenario script is provided as
 Carnegie is not providing service over the ARPANET at the present
 time.  This section will be updated as soon as Carnegie will accept
 login over the ARPANET.)

PAOLI B6500 ILLIAC Network address 15. __

 (The status of the Paoli system is uncertain.  We have not been able
 to communicate via the ARPANET.  Hence no scenario script is
 provided.  This section will be updated as soon as Paoli is able to
 accept login over the ARPANET.)
        [This RFC was put into machine readable form for entry]
  [into the online RFC archives by Helene Morin, Via Genie, 12/1999]

Shushan [Page 20]

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