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Measurements of sharing in Multics

Warren A. Montgomery
1977 ACM SIGOPS Operating Systems Review  
Multics system in order to obtain estimates of the values of these parameters for that system.  ...  Sharing among users of a computer utility is a type of interaction that may be difficult to provide in a distributed system.  ...  Finally, I would like to thank my wife, Carla, for her encouragement and for her help in making this report clearer and more readable.  ... 
doi:10.1145/1067625.806549 fatcat:47f5z25ovzd5vbqwkvvbgonrdm

The instrumentation of multics

Jerome H. Saltzer, John W. Gintell
1969 Proceedings of the second symposium on Operating systems principles - SOSP '69  
The specific goals of Multics are described in a series of papers written in 1965 1 ; briefly, the objective is to create a computer operating system centered around the ability to share information in  ...  The list of hardware and software tools and techniques used for the measurement of Multics is interesting both from the point of view of what has proved to be important to measure, and what has not.  ...  Acknowledgements Almost everyone who contributed to the design of Multics has contributed at least one suggestion toward its instrumentation.  ... 
doi:10.1145/961100.961104 fatcat:rmnxqiqanfhpdaj2an67cgtq4u

The instrumentation of multics

Jerome H. Saltzer, John W. Gintell
1969 Proceedings of the second symposium on Operating systems principles - SOSP '69  
The specific goals of Multics are described in a series of papers written in 1965 1 ; briefly, the objective is to create a computer operating system centered around the ability to share information in  ...  The list of hardware and software tools and techniques used for the measurement of Multics is interesting both from the point of view of what has proved to be important to measure, and what has not.  ...  Acknowledgements Almost everyone who contributed to the design of Multics has contributed at least one suggestion toward its instrumentation.  ... 
doi:10.1145/961053.961104 dblp:conf/sosp/SaltzerG69 fatcat:kyidfpv33redxmm3nqf565nm4u

The instrumentation of multics

Jerome H. Saltzer, John W. Gintell
1970 Communications of the ACM  
The specific goals of Multics are described in a series of papers written in 1965 1 ; briefly, the objective is to create a computer operating system centered around the ability to share information in  ...  The list of hardware and software tools and techniques used for the measurement of Multics is interesting both from the point of view of what has proved to be important to measure, and what has not.  ...  Acknowledgements Almost everyone who contributed to the design of Multics has contributed at least one suggestion toward its instrumentation.  ... 
doi:10.1145/362705.362711 fatcat:7pdy2s55w5fa7gwgu5gs5n26du

Multics

F. J. Corbató, J. H. Saltzer, C. T. Clingen
1971 Proceedings of the November 16-18, 1971, fall joint computer conference on - AFIPS '71 (Fall)  
Illustrated are the sharing of a supervisor segment by user 1 and user 2 and private access to segment a and segment b. Figure 2 2 Major lines of modular division in Multics.  ...  Since every page of the Multics virtual memory is potentially shared, the decision table represents a set of heuristics designed to separate out those which are probably not being shared at the moment.  ...  Further information on most of these features may be found in the Multics Programmers' Manuals [35] .  ... 
doi:10.1145/1478873.1478950 dblp:conf/afips/CorbatoSC72 fatcat:ikcj7p54wzcotfjsdg2cwc37wi

Real-time graphic display of time-sharing system operating characteristics

Jerrold Marvin Grochow
1969 Proceedings of the November 18-20, 1969, fall joint computer conference on - AFIPS '69 (Fall)  
memory X -ray program Multics System Programmers' Manual Section BE.13 Cambridge Mass MIT Project MAC internal doc 1966 5 G ESTRIN L KLEINROCK Measures, models, and measurements for time-shared computer  ...  and a guide for other designers. 379 The basic goal in designing the GDlVI System was to produce a time-sharing system monitoring device for use by the staff of the Multics project.  ... 
doi:10.1145/1478559.1478604 dblp:conf/afips/Grochow69 fatcat:qjkuy3iytnhyvglgtihx3l3cq4

Protection and control of information sharing in multics

Jerome H. Saltzer
1973 Proceedings of the fourth symposium on Operating system principles - SOSP '73  
The design of mechanisms to control the sharing of information in the Multics system is described. Five design principles help provide insight into the tradeoffs among different possible designs.  ...  The paper ends with a discussion of several known weaknesses in the current protection mechanism design.  ...  However, Multics uses several extra measures related to user authentication which are not often found in other systems.  ... 
doi:10.1145/800009.808059 dblp:conf/sosp/Saltzer73 fatcat:qoqh5xlorbbn5iuotnhbbws45y

Protection and the control of information sharing in multics

Jerome H. Saltzer
1974 Communications of the ACM  
The design of mechanisms to control the sharing of information in the Multics system is described. Five design principles help provide insight into the tradeoffs among different possible designs.  ...  The paper ends with a discussion of several known weaknesses in the current protection mechanism design.  ...  However, Multics uses several extra measures related to user authentication which are not often found in other systems.  ... 
doi:10.1145/361011.361067 fatcat:asimarwprjcodaojrgnwokvgka

Protection and control of information sharing in multics

Jerome H. Saltzer
1973 ACM SIGOPS Operating Systems Review  
The design of mechanisms to control the sharing of information in the Multics system is described. Five design principles help provide insight into the tradeoffs among different possible designs.  ...  The paper ends with a discussion of several known weaknesses in the current protection mechanism design.  ...  However, Multics uses several extra measures related to user authentication which are not often found in other systems.  ... 
doi:10.1145/957195.808059 fatcat:d7kvyxmawrd2papqfhcp3fsi5i

A multicity study of air pollution and cardiorespiratory emergency department visits: Comparing approaches for combining estimates across cities

Jenna R. Krall, Howard H. Chang, Lance A. Waller, James A. Mulholland, Andrea Winquist, Evelyn O. Talbott, Judith R. Rager, Paige E. Tolbert, Stefanie Ebelt Sarnat
2018 Environment International  
for 8 specific outcomes in including Atlanta, GA; Birmingham, AL; Dallas, TX; Pittsburgh, PA; St.  ...  To estimate multicity and posterior city-specific associations, we developed a Bayesian multicity multi-outcome (MCM) model that pools information across cities using data from all specific outcomes.  ...  for city c and outcome j, and is the unobserved, shared multicity association for outcome j.  ... 
doi:10.1016/j.envint.2018.07.033 pmid:30107292 pmcid:PMC6218942 fatcat:luff6fyodbbb3hlm7rg2kpy6ii

Engineering a security kernel for Multics

Michael D. Schroeder
1975 Proceedings of the fifth symposium on Operating systems principles - SOSP '75  
to make verification of correctness by auditing possible, and to demonstrate by test'implementation that the security kernel so developed is capable of supporting the functionality of Multics completely  ...  This paper describes a research project to engineer a security kernel for Multics, a general-purpose, remotely accessed, multiuser computer system.  ...  Acknowledgements In describing a group project of the Computer Systems Research Division of Project MAC at M.I.T., this paper discusses the work of several faculty members, graduate students, and staff  ... 
doi:10.1145/800213.806518 dblp:conf/sosp/Schroeder75 fatcat:nbceukdiarhnxkojlzk5v2hcqm

Engineering a security kernel for Multics

Michael D. Schroeder
1975 ACM SIGOPS Operating Systems Review  
to make verification of correctness by auditing possible, and to demonstrate by test'implementation that the security kernel so developed is capable of supporting the functionality of Multics completely  ...  This paper describes a research project to engineer a security kernel for Multics, a general-purpose, remotely accessed, multiuser computer system.  ...  Acknowledgements In describing a group project of the Computer Systems Research Division of Project MAC at M.I.T., this paper discusses the work of several faculty members, graduate students, and staff  ... 
doi:10.1145/1067629.806518 fatcat:l7rwu3onirf75h7flcjhglppku

Virtual storage and virtual machine concepts

R. P. Parmelee, T. I. Peterson, C. C. Tillman, D. J. Hatfield
1972 IBM Systems Journal  
Dennis, “Virtual memory, processes, and sharing in MULTICS,” Communications of the ACM 11, No. 5, 306-312 (May 1968). Discusses concepts of paging and segmentation as implemented and used in MULTICS.  ...  Describes the structure of the supervisor programs of four time-sharing systems employing relocation: UMMPS, CP-67, TSS/360, and MULTICS.  ... 
doi:10.1147/sj.112.0099 fatcat:peys2o3jyvcgvjb62erlopcczy

Assessing the homogenization of urban land management with an application to US residential lawn care

C. Polsky, J. M. Grove, C. Knudson, P. M. Groffman, N. Bettez, J. Cavender-Bares, S. J. Hall, J. B. Heffernan, S. E. Hobbie, K. L. Larson, J. L. Morse, C. Neill (+6 others)
2014 Proceedings of the National Academy of Sciences of the United States of America  
Changes in land use, land cover, and land management present some of the greatest potential global environmental challenges of the 21st century.  ...  These results suggest that US lawn care behaviors are more differentiated in practice than in theory.  ...  Each segment is a collection of CBGs in the United States that share three characteristics: similar population density (classified based on the original continuous measure in declining order of density  ... 
doi:10.1073/pnas.1323995111 pmid:24616515 pmcid:PMC3970529 fatcat:bw4jrlcckndvdpm5b34q5f6xmq

Page 192 of Economic Development and Cultural Change Vol. 63, Issue 1 [page]

2014 Economic Development and Cultural Change  
First, with increasing urbanization, the share of the population living in rural areas is shrinking; 31.2% of India’s population is already in urban areas, and their exposure to outdoor air pol- lution  ...  192 ECONOMIC DEVELOPMENT AND CULTURAL CHANGE Air Quality Measurement Program (NAAQMP) of the Ministry of Environ- ment and Forests, government of India.  ... 
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