ACF/NYU NEWSLETTER Academic Computing Facility
Contents
1. Academic Computing Facility ad C f Courant Institute of Mathematical Sciences New York University n yu 251 Mercer Street New York New York 10012 212 460 7427 ACF NYU NEWSLETTER CONTENTS Update of ACF Systems Software Documentation CYBER seesesoococosoosoocesocooeosoeses page l IBM eseesossocoesecococoacceceosseceese o page 3 VAX onan cceccccccccecrccccscccccsenses page 3 All Systems The MICOM Portselector page 4 User Services Update Tutorial sessionS cccccecesecseceess page 5 Talks Seminars Short Courses page 5 Additional NOt eS e sesesesecsesseosao page 6 Ethics of Computer Use ccccesccccccccccecessessepage 7 Some Ways to Protect Your Files and Accounts page 8 TSS is Installed on the CYBER ceseceeseesseesseDage 10 Account Renewal for 1982 83 sccceceeeesss page Ll Summary of ACF System AcceSS ceescceeeerceseespage 12 Information and Directory ccccsccesescececcsss page 13 UPDATE ACF SYSTEMS SOFTWARE DOCUMENTATION For CDC CYBER Users System update The addition of TSS a subsystem for the automatic archiving of direct access files was the only major change to the CYBER operating system since the last issue of the Newsletter TSS enables more efficient use of the CYBER s disk space while requiring virtually no change in your routine interactions with the CYBER It gives disk space to the most active direct access permanent files and stores the less active ones on tape Di2. vaxmn doc CONTINUED on following page ACF NYU NEWSLETTER Page 14 Vol II No 3 May 1982 Equipment Problems at 14 WPL Site Manager at TH MO REY room LC 7 at WWH Operations Personnel room 312 or 460 7414 ACF Terminals at Other Locations 460 7414 Street Addresses Warren Weaver Hall 251 Mercer Street Tisch Hall 40 West 4th Street Bobst Library 70 Washington Square South System Status CYBER VAX 460 7285 recorded message Tape Librarian Tape Purchase CYBER VAX 460 7155 NYU Bookstore IBM 598 7901 stationery counter Tape Questions and Requests CYBER VAX 460 7155 IBM 598 7851 Terminal Problems ACF equipment only See Equipment User Services Student Advisement CYBER 14 WPL CYBER IBM TH room LC 7 Consultants CYBER TH room LC 11 598 7851 IBM TH room LC 11 598 7851 WWH room 307 598 3970 460 7398 Hours for Consultants and Student Advisors are posted at 14 WPL WH outside room 305 and TH rooms LC 7 and LC 1l User Work Areas Mon Fri 9 a m to midnight Sat 9 a m to 4 45 p m Note WWH facilities are for faculty and researchers only CYBER Interactive terminals self service printers 14 WPL TH room LC 14 WWH room 317 Bobst B level Card readers TH room LC 8 WH roo 311 Keypunches TH room LC 8 WWH room 309 310 Output folders high speed printers TH room LC 7 WWH roan 312 VAX Interactive terminals self service printers 14 WPL TH room LC 14 WH room 317 Bobst B level Outp
3. NOS Reference Manual Vol l It is also possible to manipulate a file s protection status on the VAX For more information type help set protection or see DEC s VAX VMS Command Language User s Guide On the IBM WYLBUR system by default one user cannot access another user s files and the degree of protection for a specific file cannot be manipulated As a rule it is unwise to mke a file generally accessible that is public on the CYBER or world readable on the VAX To find out what degree of protection you have given a file CYBER users should type CATLIST LO F FN and then the permanent file s name VAX users should type dir protection or ACF NYU NEWSLETTER Page 9 Vol II No 3 May 1982 dir full followed by the file s name It is unwise to store your password on line in a file This rule includes those files which you submit from a terminal to a batch queue CYBER deferred batch files for example If you must store a file containing your password on line check the file s protection status make sure that it cannot be read by other users 4 Make periodic checks of the amount and kind of usage your account has undergone The ACF sends accounting information monthly to each account s project director These reports should be inspected regularly for unusual amounts or types of use In addition CYBER users will have a detailed report of their accounts usage displayed at the t
4. a similar function TSS is a fully integrated operating system feature which expands the scope of the NOS permanent file system It extends the space available for permanent file storage in an hierarchical fashion and manages the hierarchy so as to maximize efficient usage of the on line file storage devices Files migrate to the tape pool whenever disk space drops below a pre determined minimum and migrate back to disk upon demand TSS only considers direct access permanent files for migration and employs a selection algorithm based upon such factors as a file s age activity and length Since TSS is an extension of the regular permanent file system no special user interface routines are required All permanent files belonging to a user will be listed when the CATLIST control statement is executed whether they reside on disk or have migrated to tape A modification to that statement has been installed so that a user who executes it as CATLIST LO F TY D UL 1 will get a 90 column utility report which includes all residence information The entry in the RS column indicates the file s current residence D for disk A for tape and B if on both disk and tape Note that because of its width the report is not convenient for display on 80 column terminals and should be directed to a file L lfn which my then be ROUTEd to a printer Typing CATLIST LO TY D will yield a slightly less detailed 80 column report which contains suffic
5. files One set of tapes is used for all retrieval operations while the second set serves as backup Each tapeset will grow to some maximum number of reels at which time it will become necessary to start recycling them A recycling mechanism exists which permits re use of old tapes without the loss of live files We expect that users will find it much more convenient to let TSS deal with their data storage needs instead of having to maintain their own set of library tapes except where really large tape resident data collections are involved We believe that TSS will improve the efficiency of the CYBER s permanent file mechanism significantly by reducing the cost per byte of data storage and by slowing the demand for additional disk drives as well These benefits of convenience and efficiency will advance the ACF in its efforts at improving NYU s academic computing environment RENEWAL OF COMPUTER ACCOUNTS FOR THE 1982 83 ACADEMIC YEAR It is time to consider renewing accounts for the coming academic year Current accounts on the ACF CYBER IBM and VAX will expire on September 6 1982 In the coming weeks renewal request forms will be sent to NYU faculty along with lists of accounts under their supervision Graduate students with Individual Accounts should remind their faculty advisors to file for renewal if the accounts will be needed after September 6 Renewal forms should be filed at the earliest possible date preferably duri
6. AX Introductory use of the system or of text editors will be taught to small groups of students and faculty by arrangement IBM WIDJETS tutorials Walk in and specially arranged sessions There will be walk in tutorials in the WIDJET system during the summer Check the ACF bulletin boards and the on line IBM News for announcements of the schedule Instructors can also arrange WIDJETS tutorials for their classes Contact Frank LoPresti 460 7176 if interested ACF talks and seminars The final ACF talk of the spring semester will be a follow up of the April 13 talk on the U S Census Bureau tape files and will take place on Tuesday May 11 at 1 00 p m in Room 613 Warren Weaver Hall Professor Willard Hansen of G P A s Public Data Laboratory and Frank LoPresti of the ACF will describe their procedures for accessing the 1980 Census Summary Tape File lA for New York State ACF consultants George Sharrard and Bert Holland will also talk on additional aspects of Census data use on the ACF systems Sample printouts of some initial analyses will be distributed Brief presentations by other users who have processed machine readable public data files on an ACF system may also be scheduled in the May 11 meeting Discussion will include further plans for the CensNYU Project this is a central library to be stored on the CYBER of Census data and software specific to the Census data base No ACF Talks or Seminars have been planned for
7. Computer tapes are sold at stationery counter ACF Writeups CYBER Use obtain writeup qindex for information i IBM Use exec manuals name index Limited supplies of ACF guides and manuals are also distributed from 14 WPL operators desk Mon Fri 9 a m to 10 p m Sat 9a m to 6 p m TH room LC 11 Mon Sat 10 a m to 5 30 598 7851 Multiple Copies of ACF Writeups for Classroom Use Estelle Hochberg 306 WWH for CYBER consultants LC 11 TH for IBM Please allow about a week Blank forms for CYBER writeups can be obtained in 306 WWH or LC 11 TH On Line Help Utilities CYBER VAX IBM WYLBUR Type help strike return key On Line News Bulletins are important sources of information on systems and operations training sessions new documentation user and programming hints and so on CYBER News Use obtain writeup news for time sharing or batch Replaced weekly IBM News Updated as needed Batch use exec ibmnews WYLBUR type help ibmnews then list VAX BBOARD Type bboard strike return key to list each message type help for further instructions type exit to quit Reference Copies of Manuals 14 WPL TH room LC 7 WH room 317 selected CYBER and VAX manuals are also available at the Bobst Library Reserve Desk instructor is listed as Computer the CIMS Library and the Computer Science Department s Help Room 1128 WWH For CYBER type obtain writeup reflist for VAX use print nyuSlib
8. E Version 2 0 distribution or in a VMS environment with the capability of using tools available under UNIX Such tools include Franz Lisp and the editors vi and emacs The file ETC UNIXSETUP COM defines several of the more useful programs including vi emacs and csh Please direct all questions and problems via VAX Mail to SALKIND The production version of SETL was upgraded to version 24 The principle distinction between versions 23 and 24 is that MACROs ending with ENDM mst not have spurious trailing semicolons This is illegal but was not caught in earlier versions Other changes are described in the user manual NYUSSETL USER DOC A new version of the National Center for Atmospheric Research NCAR Graphics Package includes an interactive metacode translator For more information type help graphics ncar The previous version of the NCAR package was removed at the end of March On line documentation From about mid June on line help will be available to VAX users as either HELP or AID Typing help will access files supplied primarily by DEC These give the format of commands and their arguments and similar assistance Typing aid will retrieve files provided by the ACF AID files will tend to take a more tutorial approach Initially AID will contain information on the use of magnetic tapes Topics will be added as time permits AID s availability will be announced in the VAX BBOARD All Systems MICOM Portselector Update
9. Frank LoPresti 460 7176 for classes on the CYBER John Hailu 598 7851 for the IBM Stephen Tihor 460 7396 for the VAX ACF NYU NEWSLETTER Page 7 Vol II No 3 May 1982 ETHICS OF COMPUTER USE Recently reports that computer abuses are occurring in universities across the country have appeared in newspapers and on television along with discussions of a need for explicit and stringent regulation of the use of computers in academic settings Implicit rules of behavior may have been adequate when university computing communities were comparatively small Academic computation has become so widespread in the past few years however that perhaps a direct statement of the do s and don ts of computer use is needed At N Y U to date misuse of the ACF s computer resources has been associated with student holders of Class Accounts more frequently than with Individual Account holders It is possible that some students relative newcomers to computing do not realize the seriousness of their actions The ACF requests that instructors delineate for their students the bounds of acceptable behavior Destruction or abuse of hardware public software or reference material are clearly beyond the limits of proper behavior The following violations of the property of other individuals however are as serious 4 Use of another individual s programs and output without his or her permission Practices like the following interfere s
10. If you are dialing in from the 598 centrex within the university you can now use 4141 as an alternative to extension 7001 The two numbers support the same type of modem However 4141 will access the NYU computer systems only if it is dialed from a 598 number within the University dialing 598 4141 from outside the University or as an outside call will result in a wrong number The Graduate School of Business Administration s DEC 2050 can now be accessed through the portselector ACF NYU NEWSLETTER Page 5 Vol II No 3 May 1982 UPDATE OF ACF USER SERVICES Tutorial Sessions CYBER tutorial sessions The walk in tutorials given during the first half of the fall and spring semesters will be repeated during the summer session for students and faculty who are new to the CYBER system The first series of sessions will be an introduction to the CYBER time sharing system IAF a second series of walk in tutorials on the use of the CYBER text editor XEDIT will begin once the first series has ended Tutorials will take place at 14 Washington Place They are scheduled tentatively for 11 a m and 4 p m Mondays Wednesdays and Fridays They will begin the first week of summer session and will continue for about two weeks into each semester depending upon demand CYBER tutorial sessions by special arrangement Instructors are invited to contact Frank LoPresti 460 7176 to arrange tutorial sessions for their classes on the CYBER or V
11. eriously with the use of the system by other individuals by causing waste delay and in some instances harassment For that reason they are also considered serious offenses 5 Using ACF resources for personal profit or for purposes other than those for which the account was issued 6 Use of the computer for games and other frivolous purposes 7 Sending obscene or vulgar messages ACF accounts whether Class or Individual are issued with the understanding that the resources and privileges associated with the account will be used responsibly and with restraint The ACF intends to treat major infractions with severity Students who violate ACF rules for computer use will be reported to the appropriate university discipline committee ACF NYU NEWSLETTER i Page 8 Vol II No 3 May 1982 SOME WAYS TO PROTECT YOUR FILES AND ACCOUNTS If their accounts and files are to be protected against abuse or inspection ACF users must employ the security measures available to them and avoid foolish risks Here are some of the do s and don ts of account security l Change your password regularly and never use a password that is easily guessed Each ACF account is issued with a password That password should be changed by the user as soon as possible optimally after the very first login to the system After that change it frequently An article in the last issue of the Newsletter contained suggestions for as
12. erminal upon typing USRACT These reports will be updated weekly and should be available by mid June Other indications of an accounts use can be checked by IBM and VAX users A report of the account s balance is included in the printed output of jobs submitted to the ACF IBM system and beginning in late May the VAX log in message will include a report of the time and place of the most recent session associated with that account 5 Never log in at a publicly accessible terminal and then leave it unattended If you mst leave your terminal save your work and log out Le you must stay logged in ask a neighbor to watch your terminal for you Contact ACF Accounts Manager Anna Moore 460 7394 ACF NYU NEWSLETTER Page 10 Vol II No 3 May 1982 SUBSYSTEM FOR AUTOMATIC ARCHIVING OF DIRECT ACCESS FILES ON CYBER The ACF CYBER s operating system software was enhanced recently by the addition of an automatic Permanent File Tape Archiving Subsystem TSS The new facility is a slightly modified version of the programs used to support CDC s Mass Storage System MSS It employs a large pool of tapes for storage instead of the faster but much more expensive MSS device Its purpose is to enable better utilization of on line storage for active files by allowing the less frequently used files to migrate to the tape pool Users of the CMCL CDC6600 system may find it analogous to the GETPF PRGRCHGV IUPURGE routines which perform
13. ient residence information for most users The ATTACH control statement will cause the reloading of files that have migrated to the tape pool Interactive users will notice a delay of several minutes while the operator retrieves and mounts the appropriate tape and while TSS reloads the file If the interactive user aborts the ATTACH the reload operation will continue independent of user activity and the user may attach the file subsequently TSS accomplishes file reloads by itself so that a user need not have tape privileges A new parameter RT has been added to the ATTACH control statement it permits the interactive user to invoke an independent reload operation for files that are known to be off line by entering ATTACH 1fn pfn RT where lfn and pfn are the local and permanent file names Users whose files may remain umaccessed for a long period of time should change the preferred residence for the files by including the PR T parameter on a DEFINE or CHANGE control statement Disk resident files with PR T will be the first candidates for selection the next time on line mss vetorag fills up and TSS initiates a migration operation ACF NYU NEWSLETTER Page 11 Vol II No 3 May 1982 The migration process involves copying the selected direct access permanent files to two tapes in parallel verifying the tapes against each other updating the permanent file directories and releasing the disk space previously occupied by the
14. il s IBM News type help ibmnews parm apr82 Software additions and updates Software updates on the ACF IBM system affected PASCAL IMSL and BMDP The programming language PASCAL is now available in Batch but not in Batch monitor mode For a printed copy of a short writeup WYLBUR users should type use wyl pb pub memos pascal then list off unn cc dest r2 The consultants in Room LC 11 Tisch Hall have a small supply for PASCAL users without WYLBUR accounts IMSL International Mathematical and Statistical Library was upgraded from version 8 0 to 8 1 While corrections were minor they extended the adequacy of certain routines and may affect the results of a few subroutines Check the appendix of the IMSL manual in Room LC 1l Tisch Hall for changes made to specific routines The 1981 version of Biomedical Computer Programs P Series BMDP has been installed BMDP 81 adds six new programs Multiway Frequency Table Analyses P4F Cox Models for Survival Analyses P2L Spectral Analyses PIT Interactive Box Jenkins Analyses P2T Univariate and Multivariate Analyses of Variance and Covariance P4V Boolean Factor Analyses P8M and Linear Scores from Preference Pairs P9M Other changes include three ways of reading free form data character handling capability in the transformation statements and the creation of a news option for the print paragraph this will cause the printing of information about changes in partic
15. imited to BPA use No consultation or hard copy Faculty research users only Dial extension 7001 Dial extension 4141 Dial extension 7911 Dial extension 7381 Dial extension 6272 Dial 777 7600 aK WIDJETS is a terminal oriented job creation editing and submittal system There are 28 WIDJETS terminals in Tisch Hall LC 8 Accounts are available from the site manager Strike return to activate computer selection on IBM Select system Then return to initiate log in on CYBER and VAX shift P return 4141 will access the MICOM only if dialed from a 598 number within N Y U ACF NYU NEWSLETTER Page 13 Vol II No 3 May 1982 INFORMATION AND DIRECTORY Accounts 305 WWH Mon Fri 9 a m to 5 p m 460 7427 Administration and General Information 305 WWH Mon Fri 9 a m to 5 pem 460 7427 Dial Up Numbers See previous page for further details From System Use Off campus All 777 7600 598 Centrex All 7001 All 4141 from NYU ONLY IBM 7911 460 All 7381 285 i All 6272 Documentation ACF NYU Newsletter is mailed to holders of Individual Accounts on the CYBER IBM or VAX Inquiries Estelle Hochberg 306 WWH ACF Introduction and Directory for holders of Individual Accounts single copies are available in Rooms LC 11 TH and 305 306 and 307 WWH Bookstore N Y U 23 Washington Place stocks commercially published software mamals Inquire at information desk lower level
16. ng the summer before the fall crush begins Comments Invited We are thinking of including letters submitted by readers in the Fall issue of the Newsletter If you have any comments suggestions or queries please mil them to Estelle Hochberg Editor ACF NYU Newsletter 251 Mercer Street New York N Y 10012 Please mark the letter For Inclusion In Newsletter All letters will be read Those of general interest will be considered for publication ACF NYU NEWSLETTER Vol II No 3 May 1982 Page 12 ACADEMIC COMPUTING FACILITY Courant Institute of Mathematical Sciences New York University 251 Mercer Street New York N Y 10012 Director Professor Max Goldstein Ed Franceschini Terry Moore Accounts Manager Anna Moore Assistant Directors Newsletter Editor Estelle Hochberg Key WWH Warren Weaver Hall 14 WPL 14 Washington Place TH Tisch Hall SUMMARY OF ACCESS TO NYU ACF COMPUTING SYSTEMS Means Location Card Submission TH LC 8 WWH 311 Interactive Terminals Hardwired TH LC 8 14 Washington Place TH LC 14 TH UC 49 Bobst B level WWH 317 318 Dial in From 598 exchange From 460 exchange From 285 exchange From off campus System IBM CYBER CYBER IBM CYBER All All All All All All IBM All All All Notes and Usage Restrictions Faculty researchers only Student I O via WIDJETS only Limited access to other systems About one half are for HP 2000 L
17. phics package from the National Center for Atmospheric Research will offer greater efficiency and some bug fixes New and updated CYBER documentation Minor corrections additions or changes were made to the following ACF writeups for CYBER users QIAF QMICOM ACFINTR CONSULT SOFTWR AND STATPRKG Two new writeups should be issued by the end of June QOMNI and QMLSCAL will be introductory guides to the use respectively of OMNITAB and MULTISCALE on the CYBER OMNITAB is a package of mathematical and statistical routines for application in the physical and social sciences it employs structures and syntax similar to those of MINITAB MULTISCALE was described briefly in the ACF NYU NEWSLETTER Page 3 Vol II No 3 May 1982 preceding section Over the summer months several new writeups and some updates of ACF documentation for CYBER users will be issued Check the on line CYBER News for announcements of new publications and revisions Instructions for obtaining copies of ACF writeups and of CYBER News are given in the Newsletter s Information and Directory and at the end of each writeup For IBM Users System update Some slight modifications were made to the WYLBUR system The AND function now works and users of WYLBUR on ASCII terminals can now input and output the tilde to which the back slash has just been made equivalent and the line feed A more detailed description of these changes can be found in Apr
18. rect access files are those which you access by means of the ATTACH command TSS reviews the activity of all direct access files several times a day and changes the files residence accordingly ACF NYU NEWSLETTER Page 2 Vol II No 3 May 1982 To retrieve a direct access file which TSS has archived on tape you simply enter the customary ATTACH command if the file has been archived by TSS there may be a slight delay while the tape on which it has been stored by TSS is queued up or mounted Typing CATLIST will have a list of all your permanent files direct and indirect access displayed on your screen To determine whether a direct access file resides on disk or has been moved to tape by TSS type CATLIST LO F TY D and examine the entries in the column labeled RS D indicates that a file resides on disk A that it has been archived to tape and B that at that particular time it is on both disk and tape For more about TSS see the article in this issue of the Newsletter page 10 Software additions and changes Since the last issue of the Newsletter the database management system SIR was updated and a SIR editor and two new curve fitting programs were installed Changes anticipated for June include the installation of MULTISCALE and an update of NCAR The default version of SIR Scientific Information Retrieval was updated to 1 1N Databases constructed under SIR 1 will have to be converted to a form compa
19. s on User Services and Documentation Reference copies of CDC CYBER manuals at Manhattanville A reference rack of CDC manuals has been ordered for ACF CYBER users who log in from the Manhattanville remote site in Purchase New York The manuals should be available to users by early June ACF writeups for classroom instruction The ACF will print multiple copies of ACF writeups upon request for instructors who wish to distribute them to their classes Forms and instructions are being distributed to all departments associated with class accounts on the CYBER Blank forms for requesting multiple copies of writeups can be obtained in Rooms LC 11 Tisch Hall and 306 Warren Weaver Hall About a week should be allowed from the time that the request is submitted For help in selecting a set of CYBER writeups for class instruction contact Estelle Hochberg 460 7397 or Frank LoPresti 460 7176 The ACF consultants in Room LC 11 Tisch Hall will help instructors choose ACF writeups for classes using the IBM systems call Bert Holland 598 7851 Help in selecting manuals as texts The ACF staff will help instructors decide which CDC DEC and IBM mamals if any they should have the N Y U Bookstore stock specifically for their classes The Bookstore will start to assemble preorders for the Fall semester around mid May Instructors who wish help in selecting manuals for their classes should contact the following ACF staff members to schedule appointments
20. the summer sessions but there will be a series in the fall Check the on line news bulletins the bulletin boards at the ACF sites and the next issue of the Newsletter for further information ACF NYU NEWSLETTER Page 6 Vol II No 3 May 1982 SPSS talk An introduction to SPSS open to all will be given on Friday June ll Further details are in the section following this one Intensive FORTRAN programming course A five day intensive course in FORTRAN programming is being offered to faculty research staff and graduate students The free non credit course will be given June 7 11 from 9 a m to l p m except on Thursday June 10 when the hours will be from 1 5 p m The course is not intended to train professional programmers No previous knowledge of computers or computer languages will be assumed and no examinations will be given The material covered will be basic for both mathematical and non mathematical applications The only prerequisites are New York University affiliation and a facility with hi gh school algebra Application forms and a more detailed description are available in the lobby of Warren Weaver Hall At about 11 15 a m on Friday June 11 an introduction to SPSS Statistical Package for the Social Sciences will be given in Room 703 Main Building This talk is open to all who are interested It is not necessary to complete an application in order to attend the SPSS section of the course Additional Note
21. tible with SIR 2 SIR 1 1N offers a TRANSPORT FILE utility which will help perform the conversion A guide to converting from SIR DBMS Version 1 1 to SIR DBMS Version 2 is available from SIR Inc P O Box 1404 Evanston Il 60204 phone 312 475 2314 Ed Friedman 460 7293 also has a few copies for distribution Version 2 1 of SIR is now also available on the CYBER To use it type OBTAIN SIR2 followed by the control statement SIR New features offered by the SIR DBMS Version 2 Retrieval System include nesting networking and structured programming constructs In addition some commands used with earlier versions of SIR will no longer be acceptable to SIR 2 SIR EDIT has also been installed on the CYBER and can be used by typing OBTAIN SIREDIT then SIR Contact Ed Friedman 460 7293 if there are any problems with SIR Dola Both versions 1 and 2 of SIR will remain available to CYBER users until well into the 1982 1983 academic year Two least squares curve fitting programs from Northwestern University have been installed on the CYBER Contact Ed Friedman at 460 7293 for more information about LINWOOD and NLWOOD respectively linear and nonlinear curve fitting Two additional packages are expected to be available to CYBER users by mid June MULTISCALE from National Educational Resources in Chicago consists of four programs for multidimensional scaling by the method of maximum likelihood An updated version of NCAR the gra
22. tute selection of a password Procedures for changing passwords differ from one ACF system to another but they are all rather simple In each case typing a command will initiate a procedure which will prompt you for the information needed to change your password On the CYBER type passwor on the IBM WYLBUR system set keyword and on the VAX set password Each system s help utility will provide further information if needed 2 Make sure that you have specified that your files have the degree of privacy which you feel is necessary Commands for changing the protection status accessibility of your files differ among the ACF systems but are not difficult to master For example on the CYBER files are private pr by default other users logged in under their own accounts can neither read nor change them You can use the command PERMIT to make particular files accessible to specific users or CHANGE to make a file readable semi private or spriv to all It is also possible to define file specific passwords These are passwords which a user must provide in order to gain access to a particular file Thus you could keep a file private allowing only a few users access to it limit the type of access which they could have and require that they know a file specific password which you could change at will in order to gain access to it For more about PERMIT and CHANGE check the CYBER s on line help or the CDC
23. ular programs For a printed copy of a writeup giving further details WYLBUR users should type use wyl pb pub manual bmdp81 and then list off unn cc dest r2 Batch users should insert the card exec manuals name bmdp81 after a job card On line ACF documentation for IBM users Writeups describing the PASCAL compiler and BMDP 81 are newly available Instructions for obtaining printed copies are included in the section preceding this one i For ACF VAX Users System update The update of VAX VMS to version 2 5 had few noteworthy effects for most users The VMS command definition for TOTAPE however was modified For a brief description of this and other changes due to version 2 5 enter type sysShelp vms2 5 ACF NYU NEWSLETTER Page 4 Vol II No 3 May 1982 Software updates On the ACF VAX system updated software included the FORTRAN and PLI compilers and EUNICE SETL and NCAR A DEC maintenance release of the FORTRAN compiler was installed See SYSSHELP FORTRAN2 5 for details For a printed copy type print sysShelp fortran2 5 PLIG 1 3 a DEC supported version of PLI has replaced the field test version previously available on the VAX A list of corrections to the DEC PLI manuals is on line type help pli errata EUNICE Version 2 0 was installed on the ACF VAX EUNICE is a software package which allows UNIX programs to run under VMS Users can operate in any UNIX shell sh and csh are provided with the EUNIC
24. ut folders main printer WWH room 312 IBM Interactive terminals WYLBUR TH room LC 14 WH roam 317 Bobst B level WIDJETS TH room LC 8 Card reader TH room LC 8 Keypunches TH room LC 8 Output folders TH room LC 7 The ACF terminals on the B level of Bobst Library are available during all library and study hall hours There are no ACF printers at Bobst and no self service printers at Tisch Key WWH Warren Weaver Hall 14 WPL 14 Washington Place TH Tisch Hall Cover Opening bars of Mozart s G Minor Symphony K 540 plotted at the ACF by Jan LaRue Prof of Music F A S using a program by Donald Byrd of Indiana U NEH RT 20177 New York University CIMS Academic Computing Facility 251 Mercer St New York N Y 10012
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